明智光秀
Furthermore, when invading Tanba Province, Akechi Mitsuhide supposedly sent his mother as hostage to Hatano Hideharu, the castellan of Yakami Castle, to convince him to surrender. Nobunaga, however, had Hatano Hideharu executed, and this action caused former Hatano retainers to kill Akechi’s mother. Akechi Mitsuhide felt humiliated and depressed by this and eventually decided to kill his master. This story, however, began to circulate only during the Edo period, and is of dubious historical origin.