Shigeuji OIKAWA survived as a retainer of the KASAI clan although the Shigetane family line declined, but later, during the time of Hideyoshi TOYOTOMI, the KASAI clan was destroyed by Hideyoshi; all the family became ronins (masterless samurai), and some of them joined Kasai-Osaki-ikki (the revolt of the former retainers of the Kasai and Osaki clans).
また重胤の家系は衰えながらも及川重氏が葛西家臣として生き残っていたが、のちに豊臣秀吉の時代になり、葛西氏が秀吉に滅ぼされると一族はみな浪人となって、葛西・大崎一揆に加わる者もいた。