Oda Nobukatsu
After Nobunaga's assassination in 1582, conflict arose between his son Oda Nobukatsu and his leading general Toyotomi Hideyoshi. Nobukatsu allied with Tokugawa Ieyasu and seized Owari Province, while Hideyoshi held on to Mino Province. Hideyoshi's general Ikeda Tsuneoki crossed the Kiso River and occupied Inuyama Castle. To counter this move, Tokugawa Ieyasu occupied and expanded the vacant Komakiyama Castle. Both sides clashed in a series of largely inconclusive battles known collectively as the Battle of Komaki and Nagakute. The stalemate ended when Ieyasu decided to submit to Hideyoshi, which resulted in his withdrawal to Mikawa Province, and Komakiyama Castle was once again abandoned.