The Kaneko clan had Kaneko, Iruma County, Musashi Province (present-day Kaneko, Iruma City, Saitama Prefecture) as their territory for generations, and they followed Ujiteru HOJO, who was the lord of Hachioji-jo Castle owned by the Gohojo clan, during the Sengoku period.
金子氏は代々武蔵国入間郡金子（埼玉県入間市金子）を領しており、戦国時代には後北条氏の八王子城の北条氏照に従っていた。