At this point, Nobunaga planned to have local ruling family including the Ikeda clan as his retainers to stabilize his ruling in Settsu Province and he entrusted ruling of Settu Province to Katsumasa, Chikaoki ITAMI and Koremasa WADA, then those three were called 'three military governors of Settsu Province.'
信長はこのとき、摂津国の有力豪族である池田氏などを臣下に置いて摂津国支配の安定を図ろうと考え、勝正、伊丹親興、和田惟政の3名に摂津支配を任せたため、勝正らは「摂津の三守護」と称された。