Tadamasa defeated the [[Ito clan|Ito]] in [[1485]] in southern [[Hyuga province|Hyuga]]. He suffered the rebellion of a number of [[Shimazu clan|Shimazu]] vassals in [[Osumi province|Ôsumi]] in [[1496]] and the [[Kimotsuki clan|Kimotsuki]] in [[1506]]. He died in 1508, possibly by suicide. | Tadamasa defeated the [[Ito clan|Ito]] in [[1485]] in southern [[Hyuga province|Hyuga]]. He suffered the rebellion of a number of [[Shimazu clan|Shimazu]] vassals in [[Osumi province|Ôsumi]] in [[1496]] and the [[Kimotsuki clan|Kimotsuki]] in [[1506]]. He died in 1508, possibly by suicide. |