Toshisada became the shugodai of four counties of Owari (Aichi Counry, Chita County, Kaito County and Kaisei County; the 'Oda Yamatonokami family' was originally the shugodai of Nakajima County, Kaito County and a part of Yamada County) ("Daijo-in Jisha Zatsuji-ki").
尾張下四郡（愛知郡、知多郡、海東郡、海西郡の四軍のこと、最初「織田大和守家」は中島郡と海東郡の二郡及び山田郡(尾張国)の一部のみ）の守護代となる（『大乗院寺社雜事記』）。