Ujisuke was the eldest son of [[Ogasawara Ujikiyo|Ogasawara Mimasaka no Kami Ujikiyo]] ([[1529]]-[[1569]]) and inherited his domains in 1569. He initially served the [[Tokugawa clan|Tokugawa]] and fought at the [[Battle of Anegawa]] ([[1570]]). in [[1574]] he was besieged in [[Takatenjin castle]] by [[Takeda Katsuyori]], and to the shock of his family (serving elsewhere in the Tokugawa domain) he surrendered, afterwards being given a fief at Omosu in [[Suruga province]]. After the fall of the Takeda he fled to the [[Hojo clan|Hôjô]] domain. He was assassinated after the fall of the Hôjô in [[1590]], and went down in family history as a disgrace. | Ujisuke was the eldest son of [[Ogasawara Ujikiyo|Ogasawara Mimasaka no Kami Ujikiyo]] ([[1529]]-[[1569]]) and inherited his domains in 1569. He initially served the [[Tokugawa clan|Tokugawa]] and fought at the [[Battle of Anegawa]] ([[1570]]). in [[1574]] he was besieged in [[Takatenjin castle]] by [[Takeda Katsuyori]], and to the shock of his family (serving elsewhere in the Tokugawa domain) he surrendered, afterwards being given a fief at Omosu in [[Suruga province]]. After the fall of the Takeda he fled to the [[Hojo clan|Hôjô]] domain. He was assassinated after the fall of the Hôjô in [[1590]], and went down in family history as a disgrace. |