Tsuneyasu was at first subordinate to [[Ogasawara Nagatoki]] of [[Shinano province|Shinano]] but joined [[Takeda Shingen]] and assisted him in his campaigns in that province. After the downfall of the [[Takeda clan|Takeda]] in [[1582]], Tsuneyasu became a retainer of [[Ogasawara Nagayoshi]]. The following year he plotted to overthrow his lord but was discovered and made to commit suicide. | Tsuneyasu was at first subordinate to [[Ogasawara Nagatoki]] of [[Shinano province|Shinano]] but joined [[Takeda Shingen]] and assisted him in his campaigns in that province. After the downfall of the [[Takeda clan|Takeda]] in [[1582]], Tsuneyasu became a retainer of [[Ogasawara Nagayoshi]]. The following year he plotted to overthrow his lord but was discovered and made to commit suicide. |