A son of [[Shimazu Tatsuhisa]], Tadamasa's notable campaigns include the defeat of the [[Ito clan|Itô clan]] in [[1485]] in southern [[Hyuga province|Hyûga]]. He suffered the rebellion of a number of his vassals in [[Osumi province|Ôsumi]] in [[1496]], and of the [[Kimotsuki clan]] in [[1506]]. He is said to have killed himself, in [[1508]], the result of a combination of illness, and for his failure to suppress the Kimotsuki rebellion. | A son of [[Shimazu Tatsuhisa]], Tadamasa's notable campaigns include the defeat of the [[Ito clan|Itô clan]] in [[1485]] in southern [[Hyuga province|Hyûga]]. He suffered the rebellion of a number of his vassals in [[Osumi province|Ôsumi]] in [[1496]], and of the [[Kimotsuki clan]] in [[1506]]. He is said to have killed himself, in [[1508]], the result of a combination of illness, and for his failure to suppress the Kimotsuki rebellion. |