Anayama Nobukimi (穴山信君)(d. 1582), also known as Baisetsu Nobukimi, was a nephew of Takeda Shingen, and one of his 'Twenty-Four Generals'. He fought for his uncle at Mikata ga Hara and Nagashino before defecting to the service of Tokugawa Ieyasu, aiding him in his campaign against Takeda Katsuyori. He was rewarded by Tokugawa for his service, with a fief in Kai Province, but he was killed by Takeda sympathizers soon afterwards. Events January 15 - Russia cedes Livonia and Estonia to Poland February 24 - Pope Gregory XIII implements the Gregorian Calendar. ... Takeda Shingen (武田 信玄 Takeda Shingen) (December 1, 1521 – May 13, 1573) of Shinano and Kai Provinces, was a preeminent daimyo who fought for control of Japan during that countrys Sengoku or warring states period. ... The Battle of Nagashino in 1575 took place in Nagashino in Mikawa of Japan. ... Tokugawa Ieyasu Tokugawa Ieyasu (also (archaic) Iyeyasu; 徳川 家康 Tokugawa Ieyasu (January 31, 1543 – June 1, 1616) was the founder of the Tokugawa shogunate of Japan, and is commonly known as one of the three great unifiers of feudal Japan (the other two are Oda Nobunaga and Toyotomi Hideyoshi). ... Takeda Katsuyori (武田勝頼: 1546 – 1582) was the son of Takeda Shingen and father of Takeda Nobukatsu and Takeda Katsuchika. ... Kai province (甲斐国; -no kuni) is an old province in Japan that corresponds to Yamanashi prefecture today. ...

Reference

• Turnbull, Stephen (1998). 'The Samurai Sourcebook'. London: Cassell & Co.