Al-Qasim al-Rassi

Qasim was a descendant of al-Hasan, a son of Ali ibn Abu Talib, the son-in-law of Muhammad and first Shi'a imam. Qasim was a great-grandson of al-Hasan's grandson, Ibrahim al-Shibh.{{sfn|Eagle|1994|pp=103, 117}} He was born and grew up in Medina, being taught Zaydi doctrine, the hadiths, and possibly the Quran and Arabic as well, by Abu Bakr Abd al-Hamid ibn Abi Uways, a nephew of the famed jurist Malik ibn Anas.{{sfn|Madelung|1995|p=453}}

Qasim came to be recognized as one of the chief authorities of the Zaydi school of Shi'a Islam, and was honoured with the titles "Star of the Family of the Prophet of God" ({{Transliteration|ar|Najm Āl Rasūl Allāh}}) and "Interpreter of the Faith" ({{Transliteration|ar|Turjumān al-Dīn}}).{{sfn|Eagle|1994|p=104}} His brother Muhammad, known as Ibn Tabataba, was recognized as imam, and raised a failed rebellion against the Abbasid Caliphate at Kufa in 814.{{sfn|Madelung|1995|p=453}}{{sfn|Eagle|1994|p=108}}

Qasim himself moved to Egypt sometime before 815, and probably settled at Fustat, the capital of Egypt. One later source claims that he was sent there by his brother, but this is unlikely, especially as Qasim objected to some of Ibn Tabataba's theological views.{{sfn|Madelung|1995|p=453}} During his stay in Egypt, he studied Christian and Jewish theological writings, and debated both Muslim and non-Muslim scholars. A treatise refuting Christian theological views and another against a Manichaean treatise attributed to the scholar Ibn al-Muqaffa', were written during his stay in Egypt. At the same time, he was influenced by Christian views on God, and especially on free will.{{sfn|Madelung|1995|p=453}}

Eventually, Qasim himself was widely acknowledged as an imam, receiving pledges of allegiance from various communities from the Hejaz, Iraq and Persia, but given the failure of his brother's uprising and similar Shi'a revolts in the past, he refrained from proclaiming himself in public or rising in revolt against the Abbasids.{{sfn|Eagle|1994|p=109}} Instead, after coming under suspicion from the Abbasid authorities, in {{circa|827}} he moved his family from Egypt to a village (likely modern al-Dur or Dur Abi al-Qasim, some {{convert|57|km|mi}} southwest of Medina) near the wadi al-Rass, whence he received his {{Transliteration|ar|nisba}} of "al-Rassi".{{sfn|Madelung|1995|p=453}}{{sfn|Eagle|1994|pp=103–104}} He spent the remainder of his life there, engaged in writing, and in teaching Zaydi faithful who came to visit him.{{sfn|Madelung|1995|p=453}}

Qasim died in 860,{{sfn|Eagle|1994|p=104}}{{sfn|Madelung|1995|p=453}} a year after the birth of his grandson Yahya, who went on to found a line of Zaydi imams in Yemen that lasted into the 20th century, most of whom were descended from Qasim.{{sfn|Eagle|1994|pp=114, 117}}

Qasim summarized his teachings in five "pillars" ({{Transliteration|ar|uṣūl}}),{{sfn|Madelung|1995|p=453}} which echoed and revised those of the Mu'tazilite doctrine:

1. In his views on God, the Christian influence is evident, as Qasim emphasized, according to Wilferd Madelung, the "total dissimilarity ({{Transliteration|ar|khilāf}}) of God to all creation", and regarded "the essential generosity ({{Transliteration|ar|jūd}}) and goodness of God" as the chief divine attributes, while ignoring the Mu'tazilite distinction between divine essence and God's acts.{{sfn|Madelung|1995|p=453}}
2. Following from the previous, Qasim's conception of divine justice ({{Transliteration|ar|ʿadl}}) "strictly dissociated God from evil acts and affirmed human free will", in the words of Madelung.{{sfn|Madelung|1995|p=453}} He explicitly rejected the Mu'tazilite concept of "compensation" ({{Transliteration|ar|ʿiwāḍ}}) for the sufferings inflicted during one's life, especially since—another borrowing from Christian theology—the blessings conferred by God far outweighed any sufferings inflicted, just or unjust.{{sfn|Madelung|1995|p=453}} On the issue of predestination, he followed a cautious middle road between the Mu'tazilite rejection of the concept, and the traditional Zaydi doctrine supporting it.{{sfn|Madelung|1995|p=453}}
3. Consequent to his ideas on divine justice, Qasim affirmed the inevitability of the "promise and threat" ({{Transliteration|ar|waʿd wa waʿīdī}}) of God, namely the reward of believers and the punishment of sinners in the afterlife.{{sfn|Madelung|1995|pp=453–454}}
4. In a distinction with Mu'tazilite thought, Qasim firmly upheld the Zaydi doctrine that considered acts of injustice and oppression as a form of unbelief ({{Transliteration|ar|kufr}}), even though they were not outright idolatry ({{Transliteration|ar|shirk}}). Hence Muslim oppressors were to be regarded as outright unbelievers, and not merely sinful Muslims; this point in the Zaydi doctrine justified fighting against even Muslim rulers and their supporters if they were considered as oppressive.{{sfn|Madelung|1995|p=454}} Qasim considered the Muslim rulers of his time as illegitimate tyrants, and the lands they ruled as "abode of injustice" ({{Transliteration|ar|dār al-ẓulm}}), meaning that it was the duty of every faithful Muslim to emigrate ({{Transliteration|ar|hijra}}, cf. also {{Transliteration|ar|dār al-hijra}}) from their lands.{{sfn|Madelung|1995|p=454}}
5. According to Qasim, the Quran was at the centre of all religious matters: accepting the Quran as "detailed, unambiguous and free of contradiction" (Madelung), he rejected claims by the Imami Shi'a (Twelver and Isma'ili) that some parts had been lost or altered.{{sfn|Madelung|1995|p=454}} On the thorny issue of Quranic createdness, he avoided taking sides explicitly, although his theological positions imply that he leaned to the Mu'tazilite opinion that it was created, rather than the overwhelming contemporary Zaydi (and Sunni) view that it was not.{{sfn|Madelung|1995|p=454}} At the same time, Qasim fiercely criticized the admission of un-Quranic {{Transliteration|ar|ḥadīth}} as legitimate {{Transliteration|ar|sunnah}}, and accused the Sunni traditionalists of forging {{Transliteration|ar|ḥadīth}} and contributing to the oppressive regimes of the Muslim rulers of his time.{{sfn|Madelung|1995|p=454}}

On the attributes required for claiming the imamate according to Zaydi doctrine, Qasim stressed the religious qualifications of the candidate over the traditional requirement to lead an armed revolt.{{sfn|Madelung|1995|p=454}} He rejected the first three Rashidun caliphs as illegitimate, and held Ali ibn Abi Talib as the only legitimate successor of Muhammad.{{sfn|Madelung|1995|p=454}} He accepted the fifth Imami imam, Muhammad al-Baqir (d. {{circa|733}}), but not his successors, whom he considered, in the words of Madelung, as "wordly exploiters of their pious followers".{{sfn|Madelung|1995|p=454}}

His doctrines became the foundation for the religious and legal systems of the Zaydi states in Tabaristan and Yemen, but were heavily amended by his grandson Yahya to a more mainstream Shi'a and Mu'tazilite direction.{{sfn|Madelung|1995|p=454}}

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al-ʿAbbās ibn
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al-Nabiyyin
Abū'l-Qāsīm
Muḥammad
ibn ʿAbd Allāh

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ʿAbd Allāh
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|A03=ʿAlīyyū'l-Murtaḍžā
{{Sup|(1st Imām of Kaysāniyyā, Zaydīyyā, Imāmiyyā)}}

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al-Hānafīyya
{{Sup|(4th Imām of Kaysāniyyā)}}

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{{Sup|(3rd Imām of Kaysāniyyā, Zaydīyyā, Imāmiyyā)}}

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{{Sup|(2nd Imām of Kaysāniyyā, Zaydīyyā, Imāmiyyā)}}

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"al-Imām"
{{Sup|(6th Imām of Hāsheemīyyā)}}
{{Small|716/7 - 743}}

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ʿAbd Allāh ibn Muḥammad
{{Sup|(5th Imām of Hāsheemīyyā)}}

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(Zayn al-ʿĀbidīn)
{{Sup|(4th Imām of Zaydiyyā, Imāmiyyā)}}

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|A05=Al-Ḥasan al-Mu'thannā
{{Sup|(5th Imām of Zaydiyyā)}}

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{{Tree chart|border=1|A04| |A06|:|A03| |A01| |A02| |A05

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"al-Imām"
{{Sup|(7th Imām of Hāsheemīyyā)}}
{{Small|743 - 749}}

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|A04=ʿAbd Allāh al-Kāmīl ibn al-Ḥasan al-Mu'thannā

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|A01=Abū Jāʿfar
ʿAbd Allāh
al-Mānṣūr
{{Sup|(2)}}
{{Small|r. 754–775}}

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|A02=Abū'l-ʿAbbās
ʿAbd Allāh
as-Saffāh
{{Sup|(1)}}
{{Small|r. 750–754}}

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|A05=Mūsā ibn Muḥammad "al-Imām"

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|A06=Zayd ibn Ali
{{Sup|(6th Imām of Zaydiyyā)}}

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{{Tree chart|border=1| |)|-|.| |!| |!| |:| | | |)|-|-|-|.| | | |!|

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{{Tree chart|border=1|A02|!|A06|:|A04| |A01| |A03| |A05

|A02=Nafsū'zZakiyya
{{Sup|(First elected caliph by Ibrāhim, Mānṣūr, Saffāh, Imām Mālīk & Abū Ḥanīfa)}}
{{Sup|(8th Imām of Zaydiyyā)}}

|boxstyle_A02=color:DarkBlue; background-color:Turquoise; border-width:4px

|A01=Muḥammad
al-Mahdī
{{Sup|(3)}}
{{Small|r. 775–785}}

|boxstyle_A01=color:Black; background-color:LightGray; border-width:3px

|A03=Jāʿfar
{{Sup|(Wali al-Ahd & Governor of Mosul)}}
{{Small|762–764}}

|boxstyle_A03=color:Black; background-color:WhiteSmoke; border-width:1px

|A04=Abū Muslīm al-Khurāsānī
{{Sup|(Governor of Khurasan)}}
{{Small|748–755}}

|boxstyle_A04=color:DarkTurquoise; background-color:MintCream; border-width:1px

|A05=ʿĪsā ibn Mūsā
{{Sup|(Governor of Kufa)}}
{{Small|750–765}}

|boxstyle_A05=color:Black; background-color:GhostWhite; border-width:1px

|A06=Yahya ibn Zayd
{{Sup|(7th Imām of Zaydiyyā)}}

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{{Tree chart|border=1|A04|!|A03|:|A05| |A02| |A01| |A06

|A04=ʿAbd Allāh
Shāh Ghāzī
(ʿAbd Allāh ibn Muḥammad)
{{Sup|(10th Imām of Zaydiyyā)}}

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|A05=Al-Ḥusayn ibn ʿAlī al-ʿĀbid ibn al-Ḥasan al-Mu'thallath
Hasan ibn Hasan
{{Sup|(12th Imām of Zaydiyyā)}}

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|A03=Ibrāhīm ibn ʿAbd Allāh al-Kāmīl ibn al-Ḥasan al-Mu'thannā
{{Sup|ibn Ḥasan al-Mujtabā}}
{{Sup|(9th Imām of Zaydiyyā)}}

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al-Hādī
{{Sup|(4)}}
{{Small|r. 785–786}}

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|A02=Hārūn
ar-Rāshīd
{{Sup|(5)}}
{{Small|r. 786–809}}

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  {{Sup|(Egypt)}}
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{{Tree chart|border=1|A05|!|A04| |A06| |A03| |A02| |A01

|A06=Ibrāhīm Ṭabāṭabā
{{Sup|ibn Ismāʿīl al-Dībādj ibn Ibrāhīm al-Ghamr ibn
al-Ḥasan al-Mu'thannā}}

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|A01=Muḥammad
al-Amin
{{Sup|(6)}}
{{Small|r. 809–813}}

|boxstyle_A02=color:Black; background-color:LightGray; border-width:3px

|A02=Abd Allāh
al-Ma'mun
{{Sup|(7)}}
{{Small|r. 813–833}}

|boxstyle_A01=color:Black; background-color:LightGray; border-width:3px

|A03=Muḥammad
al-Mu'tasim
{{Sup|(8)}}
{{Small|r. 833–842}}

|boxstyle_A03=color:Black; background-color:LightGray; border-width:3px

|A04=Yaḥyā
{{Sup|ibn ʿAbd Allāh al-Kāmīl ibn al-Ḥasan al-Mu'thannā}}
{{Sup|(14th Imām of Zaydiyyā)}}

|boxstyle_A04=color: Turquoise; background-color:LightCyan; border-width:2px

|A05=Sulaymān
{{Sup|ibn ʿAbd Allāh al-Kāmīl ibn al-Ḥasan II}}
{{Sup|(Emir of Tlemcen)}}
{{Sup|(Sulaymanid dynasty of Western Algeria)}}

|boxstyle_A05=color: CornFlowerBlue; background-color:LightCyan; border-width:3px

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{{Tree chart|border=1| | | |)|-|.| |,|-|(| | | |)|-|-|-|v|-|-|-|.|

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{{Tree chart|border=1|A04|G|A05|!|A06| |A02| |A03| |A01

|A01=Hārūn
al-Wathiq
{{Sup|(9)}}
{{Small|r. 842–847}}

|boxstyle_A01=color:Black; background-color:LightGray; border-width:3px

|A02=Jāʿfar al-Mutawakkil
{{Sup|(10)}}
{{Small|r. 847–861}}

|boxstyle_A02=color:Black; background-color:LightGray; border-width:3px

|A03=Muḥammad ibn Muḥammad
al-Mu'tasim

|boxstyle_A03=color:Black; background-color:WhiteSmoke; border-width:1px

|A05=Idrīs the Elder ibn ʿAbd Allāh
{{Sup|(Idrisid dynasty of Morocco)}}
{{Sup|(15th Imām of Zaydiyyā)}}

|boxstyle_A05=color:RoyalBlue; background-color:LightCyan; border-width:3px

|A06=Muḥammad ibn IbrāhīmṬabāṭabā
{{Sup|(16th Imām of Zaydiyyā)}}

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|A04=Sūlaymān
{{Sup|ibn ʿAbd Allāh as-Sālih ibn Mūsā al-Jawn ibn ʿAbd Allāh al-Kāmīl ibn al-Ḥasan al-Mu'thannā}}

|boxstyle_A04=color: MediumBlue; background-color:LightCyan; border-width:2px

}}

{{Tree chart|border=1| | | |:| |!| |!| |,|-|v|-|+|-|.| |!| | | |!|

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{{Tree chart|border=1|A02|G|A01|!|A03|!|A04|!|A05| |A06|

|A01=Idrīs ibn Idrīs
{{Sup|(2nd Zaydī Imām of Idrisids in Morocco)}}

|boxstyle_A01=color: RoyalBlue; background-color:LightCyan; border-width:3px

|A05=Aḥmad
al-Musta'in
{{Sup|(12)}}
{{Small|r. 862–866}}

|boxstyle_A05=color:Black; background-color:LightGray; border-width:3px

|A04=Ṭalḥa al-Muwaffaq
{{Sup|(Regent)}}
{{Small|870–891}}

|boxstyle_A04=color:Black; background-color:WhiteSmoke; border-width:2px

|A03=Muḥammad
al-Muntasir
{{Sup|(11)}}
{{Small|r. 861–862}}

|boxstyle_A03=color:Black; background-color:LightGray; border-width:3px

|A02=Mūsā II
{{Sup|ibn ʿAbd Allāh as-Sâlih ibn Mūsā al-Jawn ibn ʿAbd Allāh al-Kāmīl}}

|boxstyle_A02=color: DarkBlue; background-color:LightCyan; border-width:2px

|A06=Muḥammad
al-Muhtadi
{{Sup|(14)}}
{{Small|r. 869–870}}

|boxstyle_A06=color:Black; background-color:LightGray; border-width:3px

}}

{{Tree chart|border=1| |,|-|(| |,|-|'| |,|-|'| |!| |`|-|v|-|-|-|.|

}}

{{Tree chart|border=1|A04|!|A06| |A03| |A01| |A02| |A05|

|A01=Aḥmad
al-Mu'tadid
{{Sup|(16)}}
{{Small|r. 892–902}}

|boxstyle_A01=color:Black; background-color:LightGray; border-width:3px

|A02=Muḥammad
al-Mu'tazz
{{Sup|(13)}}
{{Small|r. 866–869}}

|boxstyle_A02=color:Black; background-color:LightGray; border-width:3px

|A03=Ibrahim al-Mu'ayyad
{{Sup|(Wali al-Ahd & Governor of Syria)}}
{{Small|850–861}}

|boxstyle_A03=color:Black; background-color:WhiteSmoke; border-width:1px

|A04=Ismāʿīl ibn Yūsūf
Al-Ukhayḍhir
{{Sup|ibn Ibrāhīm ibn Mūsā al-Jawn ibn ʿAbd Allāh al-Kāmīl ibn Ḥasan al-Mu'thannā}}

|boxstyle_A04=color:Navy; background-color:LightCyan; border-width:3px

|A05=Aḥmad
al-Mu'tamid
{{Sup|(15)}}
{{Small|r. 870–892}}

|boxstyle_A05=color:Black; background-color:LightGray; border-width:3px

|A06=Al-Qāsīm
ar-Rassī ibn IbrāhīmṬabāṭabā
{{Sup|(19th Imām of Zaydiyyā)}}

|boxstyle_A06=color:DarkOliveGreen; background-color:LightCyan; border-width:2px

}}

{{Tree chart|border=1| |,|-|'| |:| | | |,|-|-|-|+|-|-|-|.| | | |!|

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{{Tree chart|border=1|A05| |A06|,|A01| |A02| |A03| |A04

|A01=ʿAlī
al-Muktafī
{{Sup|(17)}}
{{Small|r. 902–908}}

|boxstyle_A01=color:Black; background-color:LightGray; border-width:3px

|A02=Jāʿfar
al-Muqtadir
{{Sup|(18)}}
{{Small|r. 908–929,
929–932}}

|boxstyle_A02=color:Black; background-color:LightGray; border-width:3px

|A03=Muḥammad
al-Qāhir
{{Sup|(19)}}
{{Small|r. 929, 932–934}}

|boxstyle_A03=color:Black; background-color:LightGray; border-width:3px

|A04=Jāʿfar al-Mufawwid
{{Sup|(Wali al-Ahd)}}
{{Small|875–892}}

|boxstyle_A04=color:Black; background-color:WhiteSmoke; border-width:1px

|A05=Muḥammad ibn Yūsūf
Al-Ukhayḍhir
{{Sup|(1st Zaydī Imām of Ukhaydhirites in Najd and Al-Yamama)}}

|boxstyle_A05=color:Navy; background-color:LightCyan; border-width:3px

|A06={{Sup|Abūʾl-Ḥusayn
Al-Hādī ilāʾl-Ḥaqq}}
Yaḥyā ibn
al-Ḥusayn
{{Sup|(1st Zaydī Imām of Rassids in Yemen)}}

|boxstyle_A06=color:DarkOliveGreen; background-color:LightCyan; border-width:3px

}}

{{Tree chart|border=1| | | | | |,|-|'| |,|-|-|-|+|-|-|-|v|-|-|-|.| | |

}}

{{Tree chart|border=1|A06| |A01| |A04| |A05| |A03| |A02

|A01=ʿAbd Allāh
al-Mustakfī
{{Sup|(22)}}
{{Small|r. 944–946}}

|boxstyle_A01=color:Black; background-color:LightGray; border-width:3px

|A02=Ībrāhīm
al-Muttaqī
{{Sup|(21)}}
{{Small|r. 940–944}}

|boxstyle_A02=color:Black; background-color:LightGray; border-width:3px

|A03=Muḥammad
al-Rādī
{{Sup|(20)}}
{{Small|r. 934–940}}

|boxstyle_A03=color:Black; background-color:LightGray; border-width:3px

|A04=Al-Faḍl
al-Mutīʿ
{{Sup|(23)}}
{{Small|r. 946–974}}

|boxstyle_A04=color:Black; background-color:LightGray; border-width:3px

|A05=Ishāq ibn Jāʿfar al-Muqtadir

|boxstyle_A05=color:Black; background-color:WhiteSmoke; border-width:1px

|A06=Zayd ibn al-Ḥasan al-Mujtabā ibn ʿAlī ibn Abī Ṭālib

|boxstyle_A06=color: DeepSkyBlue; background-color:LightCyan; border-width:1px

}}

{{Tree chart|border=1| |!| | | | | | | |!| | | |!| | | | | | | | |

}}

{{Tree chart|border=1|A06| |A03| |A04| |A02| | | | | |

|A04=ʿAbd al-Karīm
al-Ṭāʾiʿ
{{Sup|(24)}}
{{Small|r. 974–991}}

|boxstyle_A04=color:Black; background-color:LightGray; border-width:3px

|A02=Aḥmad
al-Qāʿdīr
{{Sup|(25)}}
{{Small|r. 991–1031}}

|boxstyle_A02=color:Black; background-color:LightGray; border-width:3px

|A03=ʿUmar al-Ashraf ibn ʿAlī Zayn al-ʿĀbidīn ibn al-Ḥusayn

|boxstyle_A03=color: DodgerBlue; background-color:LightCyan; border-width:1px

|A06=Ḥasan ibn Zayd ibn al-Ḥasan al-Mujtabā ibn ʿAlīyyū'l-Murtaḍžā

|boxstyle_A06=color: DeepSkyBlue; background-color:LightCyan; border-width:1px

}}

{{Tree chart|border=1| |!| | | |!| | | | | | | |!|

}}

{{Tree chart|border=1|A06| |A03| |A02| |A01|A01=ʿAbd Allāh
al-Qāʿīm
{{Sup|(26)}}
{{Small|r. 1031–1075}}

|boxstyle_A01=color:Black; background-color:LightGray; border-width:3px

|A02=Al-Ḥusayn Dhu'l-Dam'a ibn Zayd ibn ʿAlī Zayn al-ʿĀbidīn

|boxstyle_A02=color: SteelBlue; background-color:LightCyan; border-width:1px

|A03=ʿAlī ibn ʿUmar al-Ashraf ibn ʿAlī Zayn al-ʿĀbidīn

|boxstyle_A03=color:DodgerBlue; background-color:LightCyan; border-width:1px

|A06=Ismāʿīl ibn Ḥasan ibn Zayd ibn al-Ḥasan al-Mujtabā

|boxstyle_A06=color: DeepSkyBlue; background-color:LightCyan; border-width:1px

}}

{{Tree chart|border=1| |!| | | |!| | | |!| | | |!|

}}

{{Tree chart|border=1|A06| |A03| |A02| |A01

|A01=Muḥammad Dhakīrat ad-Dīn
{{Sup|(Wali al-Ahd)}}
{{Small|1039–1056}}

|boxstyle_A01=color:Black; background-color:WhiteSmoke; border-width:1px

|A02=Yaḥyā ibn al-Ḥusayn Dhu'l-Dam'a ibn Zayd

|boxstyle_A02=color: SteelBlue; background-color:LightCyan; border-width:1px

|A03=Al-Ḥasan ibn ʿAlī ibn ʿUmar al-Ashraf

|boxstyle_A03=color:DodgerBlue; background-color:LightCyan; border-width:1px

|A06=Muḥammad ibn Ismāʿīl ibn Ḥasan ibn Zayd

|boxstyle_A06=color: DeepSkyBlue; background-color:LightCyan; border-width:1px

}}

{{Tree chart|border=1| |!| | | |!| | | |!| | | |!|

}}

{{Tree chart|border=1|A06|.|A03|.|A02| |A01

|A01=ʿAbd Allāh
al-Mūqtādī
{{Sup|(27)}}
{{Small|r. 1075–1094}}

|boxstyle_A01=color:Black; background-color:LightGray; border-width:3px

|A02=ʿUmar ibn Yaḥyā ibn al-Ḥusayn Dhu'l-Dam'a

|boxstyle_A02=color: SteelBlue; background-color:LightCyan; border-width:1px

|A03=ʿAlī ibn al-Ḥasan ibn ʿAlī ibn ʿUmar al-Ashraf

|boxstyle_A03=color:DodgerBlue; background-color:LightCyan; border-width:1px

|A06=Zayd ibn Muḥammad ibn Ismāʿīl ibn Ḥasan

|boxstyle_A06=color: DeepSkyBlue; background-color:LightCyan; border-width:1px

}}

{{Tree chart|border=1| |,|-|^|-|.| |!| |!| | | |!|

}}

{{Tree chart|border=1|A04|F|A02|!|A03|,|A01

|A01=Aḥmad
al-Mūstāzhīr
{{Sup|(28)}}
{{Small|r. 1094–1118}}

|boxstyle_A01=color:Black; background-color:LightGray; border-width:3px

|A02={{Sup|Al-Dāʿī al-Ṣaghīr}}
Muhammad ibn Zayd
{{Sup|(2nd Zaydī Imām of Zaydīds in Tabaristan)}}

|boxstyle_A02=color: DeepSkyBlue; background-color:LightCyan; border-width:3px

|A04={{Sup|Al-Dāʿī al-Kabīr}}
Hasan ibn Zayd
{{Sup|(1st Zaydī Imām of Zaydīds in Tabaristan)}}

|boxstyle_A04=color: DeepSkyBlue; background-color:LightCyan; border-width:3px

|A03=Yaḥyā ibn ʿUmar
{{Sup|(20th Imām of Zaydiyyā in Samarra)}}

|boxstyle_A03=color: SteelBlue; background-color:LightCyan; border-width:2px

}}

{{Tree chart|border=1| |L|~|J| | | |!| |,|-|'| |!| | |

}}

{{Tree chart|border=1| | | | | | |A02|!|,|-|A01

|A01=Al-Faḍl al-Mūstārshīd
{{Sup|(29)}}
{{Small|r. 1118–1135}}

|boxstyle_A01=color:Black; background-color:LightGray; border-width:3px

|A02={{Sup|Al-Nāṣir liʾl-Ḥāqq}}
Hasan al-Utrush
{{Sup|(3rd Zaydī Imām of Zaydīds in Tabaristan)}}

|boxstyle_A02=color: DodgerBlue; background-color:LightCyan; border-width:3px

}}

{{Tree chart|border=1| | | | | | | |,|-|'|!| | |!| | |

}}

{{Tree chart|border=1| | | | | | | |!| |A01| |!|

|A01=Al-Mānṣūr
al-Rāshīd
{{Sup|(30)}}
{{Small|r. 1135–1136}}

|boxstyle_A01=color:Black; background-color:LightGray; border-width:3px

}}

{{Tree chart|border=1| | | | | | | |!| | | | | |!|

}}

{{Tree chart|border=1| | | | | | |A03| | | |A02

|A02=Alī ibn al-Faḍl
al-Qabī

|boxstyle_A02=color:Black; background-color:Snow; border-width:1px

|A03=Muḥammad
al-Mūqtāfī
{{Sup|(31)}}
{{Small|r. 1136–1160}}

|boxstyle_A03=color:Black; background-color:LightGray; border-width:3px

}}

{{Tree chart|border=1| | | | | | | |!| | | | | |!|

}}

{{Tree chart|border=1| | | | | | |A02| | | |A01

|A01=al-Hāsān
ibn Alī

|boxstyle_A01=color:Black; background-color:Snow; border-width:1px

|A02=Yūsuf
al-Mūstānjīd
{{Sup|(32)}}
{{Small|r. 1160–1170}}

|boxstyle_A02=color:Black; background-color:LightGray; border-width:3px

}}

{{Tree chart|border=1| | | | | | | |!| | | | | |!|

}}

{{Tree chart|border=1| | | | | | |A02| | | |A01

|A01=Abū Bakr
ibn al-Hāsān

|boxstyle_A01=color:Black; background-color:Snow; border-width:1px

|A02=Al-Hāssān
al-Mūstādī'
{{Sup|(33)}}
{{Small|r. 1170–1180}}

|boxstyle_A02=color:Black; background-color:LightGray; border-width:3px

}}

{{Tree chart|border=1| | | | | | | |!| | | | | |!|

}}

{{Tree chart|border=1| | | | | | |A02| | | |A01

|A01= Abi 'Alī al-Hāsān ibn Abū Bakr

|boxstyle_A01=color:Black; background-color:Snow; border-width:1px

|A02=Aḥmad
al-Nāsīr
{{Sup|(34)}}
{{Small|r. 1180–1225}}

|boxstyle_A02=color:Black; background-color:LightGray; border-width:3px

}}

{{Tree chart|border=1| | | | | | | |!| | | | | |!|

}}

{{Tree chart|border=1| | | | | | |A02| |A03|!|

|A02=Muḥammad
az-Zāhīr
{{Sup|(35)}}
{{Small|r. 1225–1226}}

|boxstyle_A02=color:Black; background-color:LightGray; border-width:3px

|A03=Malīka'zZāhīr Rūkn ad-Dīn Baybars
{{Sup|(Mamluk Sultanate Sultan of Egypt)}}
{{Small|r. 1260–1277}}

|boxstyle_A03=color:DarkGoldenRod; background-color:Khaki; border-width:3px

}}

{{Tree chart|border=1| | | | | |,|-|^|-|.|:| |:|!|

}}

{{Tree chart|border=1| | | | |A02| |A03| |A01

|A01=Abū'l-ʿAbbās Aḥmad
al-Hakim I
{{Sup|(2)}}
{{Small|r. 1262–1302}}

|boxstyle_A01=color:yellow; background-color:YellowGreen; border-width:3px

|A02=Al-Mānsūr
al-Mūstānsīr
{{Sup|(36)}}
{{Small|r. 1226–1242}}

|boxstyle_A02=color:Black; background-color:LightGray; border-width:3px

|A03=Abū'l-Qāsim Aḥmad
al-Mūstānsīr
{{Sup|(1)}}
{{Small|r. 1261}}

|boxstyle_A03=color:yellow; background-color:YellowGreen; border-width:3px

}}

{{Tree chart|border=1| | | | | |!| | | | | | | |)|-|-|-|-|-|.|

}}

{{Tree chart|border=1| | | | |A03| | | | | |A02| | | |A01

|A02=Abū'r-Rabīʿ Sulaymān
al-Mustakfī I
{{Sup|(3)}}
{{Small|r. 1302–1340}}| boxstyle_A02=color:yellow; background-color:YellowGreen; border-width:3px

|A01=Aḥmad ibn Aḥmad
al-Ḥākim bi-amr Allāh

|boxstyle_A01=color:yellow; background-color:GoldenRod;border-width:2px

|A03=ʿAbd Allāh
al-Mūstā'sīm
{{Sup|(37)}}
{{Small|r. 1242–1258}}

|boxstyle_A03=color:Black; background-color:LightGray; border-width:3px

}}

{{Tree chart|border=1| | | | | | | |,|-|-|-|-|-|(| | | | | |!|

}}

{{Tree chart|border=1| | | | | | |A01| | | |A02| | | |A03

|A01=Abū'l-ʿAbbās Aḥmad
al-Hakim II
{{Sup|(5)}}
{{Small|r. 1341–1352}}

|boxstyle_A01=color:yellow; background-color:YellowGreen; border-width:3px

|A02=Abū'l-Fatḥ Abū Bakr
al-Mu'tadid I
{{Sup|(6)}}
{{Small|r. 1352–1362}}

|boxstyle_A02=color:yellow; background-color:YellowGreen; border-width:3px

|A03=Abū Isḥāq Ibrāhīm
al-Wāṯiq I
{{Sup|(4)}}
{{Small|r. 1340–1341}}

|boxstyle_A03=color:yellow; background-color:YellowGreen; border-width:3px

}}

{{Tree chart|border=1| | | | | | | | | | | | | |!| | | |,|-|^|-|.|

}}

{{Tree chart|border=1| | | | | | | | | | | | |A01| |A02| |A03

|A01=Abū ʿAbd Allāh Muḥammad
al-Mutawakkil I
{{Sup|(7)}}
{{Small|r. 1362–1377,
1377–1383,
1389–1406}}

|boxstyle_A01=color:yellow; background-color:YellowGreen; border-width:3px

|A02=Abū Yāḥyā Zakariyāʾ
al-Musta'sim
{{Sup|(8)}}
{{Small|r. 1377,
1386–1389}}

|boxstyle_A02=color:yellow; background-color:YellowGreen; border-width:3px

|A03=Abū Ḥafs ʿUmar
al-Wāṯiq II
{{Sup|(9)}}
{{Small|r. 1383–1386}}

|boxstyle_A03=color:yellow; background-color:YellowGreen; border-width:3px

}}

{{Tree chart|border=1| |,|-|-|-|v|-|-|-|v|-|-|-|+|-|-|-|v|-|-|-|.|

}}

{{Tree chart|border=1|A01| |A02| |A03| |A06| |A04| |A05|A01=Abū'l-Faḍl al-ʿAbbās
al-Musta'īn
{{Sup|(10)}}
{{Small|r. 1406–1414
Sultan of Egypt
r. 1412}}

|boxstyle_A05=color:yellow; background-color:YellowGreen; border-width:3px

|A02=Abū'l-Fatḥ Dāwud
al-Mu'tadīd II
{{Sup|(11)}}
{{Small|r. 1414–1441}}

|boxstyle_A01=color:yellow; background-color:YellowGreen; border-width:3px

|A03=Abū'r-Rabīʿ Sulaymān
al-Mustakfī II
{{Sup|(12)}}
{{Small|r. 1441–1451}}

|boxstyle_A02=color:yellow; background-color:YellowGreen; border-width:3px

|A04=Abū'l-Baqāʾ Ḥamza
al-Qāʾim
{{Sup|(13)}}
{{Small|r. 1451–1455}}

|boxstyle_A03=color:yellow; background-color:YellowGreen; border-width:3px

|A05=Abū'l-Maḥāsin Yūsuf
al-Mustanjid
{{Sup|(14)}}
{{Small|r. 1455–1479}}

|boxstyle_A04=color:yellow; background-color:YellowGreen; border-width:3px

|A06=Yaʿqūb ibn Muḥammad
al-Mutawakkil ʿalā'Llāh

|boxstyle_A06=color:yellow; background-color:GoldenRod; border-width:2px

}}

{{Tree chart|border=1| | | | | | | | | | | | | |!|

}}

{{Tree chart|border=1| | | | | | | | | | | | |A01

|A01=Abū'l-ʿIzz ʿAbd al-ʿAzīz
al-Mutawakkil II
{{Sup|(15)}}
{{Small|r. 1479–1497}}

|boxstyle_A01=color:yellow; background-color:YellowGreen; border-width:3px

}}

{{Tree chart|border=1| | | | | | | | | | | | | |!|

}}

{{Tree chart|border=1| | | | | | | | | | | | |A01

|A01=Abū'ṣ-Ṣabr Yaʿqūb
al-Mustamsik
{{Sup|(16)}}
{{Small|r. 1497–1508,
1516–1517}}

|boxstyle_A01=color:yellow; background-color:YellowGreen; border-width:3px

}}

{{Tree chart|border=1| | | | | | | | | | | | | |!|

}}

{{Tree chart|border=1| | | | | | | | | | | | |A01

|A01=Muḥammad
al-Mutawakkil III
{{Sup|(17)}}
{{Small|r. 1508–1516,
1517}}

|boxstyle_A01=color:yellow; background-color:YellowGreen; border-width:3px

}}

{{Tree chart/end

}}

{{Chart bottom}}

|}

• Ahmad ibn Isa ibn Zayd

{{Reflist|30em}}

• {{cite journal | last = Eagle | first = A. B. D. R. | title = Al-Hādī Yahyā b. al-Husayn b. al-Qāsim (245–98/859–911): A Biographical Introduction and the Background and Significance of his Imamate | pages=103–122 | journal = New Arabian Studies | volume = 2 | year = 1994 | url={{Google Books|29yk1ddLaDoC|page=103|plainurl=yes}} | issn = 1351-4709 }}
• {{EI2|volume=8|last=Madelung|first=W.|authorlink=Wilferd Madelung|title=al-Rassī|pages=453–454|url=http://dx.doi.org/10.1163/1573-3912_islam_SIM_6247}}

• {{cite book|last=Madelung|first=W.|authorlink=Wilferd Madelung|title=Der Imam al-Qasim ibn Ibrahim und die Glaubenslehre der Zaiditen|language=German|location=Berlin|publisher=De Gruyter|year=1965|doi=10.1515/9783110826548|isbn=978-3-11-000086-3 }}

{{Authority control}}

{{DEFAULTSORT:Qasim}}

Category:785 births

Category:860 deaths

Category:9th-century people from the Abbasid Caliphate

Category:9th-century Muslim theologians

Category:People from Medina

Category:Rassid dynasty

Category:Zaydi imams

Category:Zaidiyyah scholars

Category:9th-century Zaydis