Shimazu Yoshihiro
That year, the Shimazu surrendered to Toyotomi Hideyoshi, and Iehisa died suddenly after returning from the Toyotomi camp, likely due to assassination or poisoning. It is said that he ordered Shimazu Yoshihiro to give it. In addition, after the death of his father, his uncle Yoshihiro raised him as if he were his own child, Toyohisa is said to have learned the art of the war from his uncle.