Rusu Masakage

{{Short description|Japanese samurai}}

{{family name hatnote|Rusu|lang=Japanese}}

{{Infobox military person

|name= Rusu Masakage
留守 政景

|birth_date= 1549

|death_date= {{death date and age|1607|2|28|1549|}}

|birth_place=

|death_place=

|image= Rusu Masakage.jpg

|caption= Rusu Masakage (top)

| allegiance = 15px Date clan

| unit = 15px Rusu clan

| spouse =

| battles = Kasai-Osaki Uprising
Siege of Hasedō

|nickname= Rokurō

}}

{{nihongo|Rusu Masakage|留守 政景||1549 – February 28, 1607}} was a Japanese samurai of the Sengoku period through Azuchi-Momoyama period. Served as a retainer of the Date clan Masakage was the uncle of the famous Date Masamune.[http://www2u.biglobe.ne.jp/~kamomax/kashin3.htm Who supported the reign of the government] {{webarchive|url=https://archive.today/20000510204237/http://www2u.biglobe.ne.jp/~kamomax/kashin3.htm |date=2000-05-10 }}

Masakage, or as he was first known, Rokurō, was the son of Date Harumune. He was later adopted by Rusu Akimune, head of the Rusu clan which governed Miyagi district. In 1568, he married the daughter of Kurokawa "Sama-no-Kami" Haruuji, lord of the Kurokawa district (later known as Aizu).[http://www2.harimaya.com/sengoku/html/rusu_k.html The absence]

Masakage contributed very highly to the Date clan by defending it from many oppositions. He was participate at the Siege of Hasedō in 1600,{{cite web|url=https://kotobank.jp/word/%E7%95%99%E5%AE%88%E6%94%BF%E6%99%AF-1121034|title=Rusu Masakage|publisher=kotobank|access-date=24 October 2021}} also involved in the succession dispute. Masakage was extremely close to Masamune, as one of his top subordinates, bringing him to many victories. The greatest victory he brought to Masamune was in the "Kasai-Osaki Uprising" or Ōshū campaign along with Yashiro Kageyori.