小早川秀秋
He was adopted by Hideyoshi and called himself "Hashiba Hidetoshi" (羽柴 秀俊). He was then again adopted by Kobayakawa Takakage, becoming "Kobayakawa Hidetoshi" (小早川 秀俊). He then renamed himself "Hideaki" (秀秋) after Takakage's death. Shortly after the Battle of Sekigahara, he renamed one last time to "Kobayakawa Hideaki" (小早川 秀詮).