However, Katsutoyo's father Moritoyo was definitely a chief vassal of the Iwakura Oda clan, which ruled the four upper districts of Owari as Shugodai (deputy of Shugo, provincial constable).
ただし一豊の父・盛豊については尾張上四郡を支配する守護代・岩倉織田氏に重臣として仕えていたことは間違いない。