During the mid-sixteenth century (the late Sengoku period), in the time of Yoriie OIKAWA, a grandson of Yoritaka, they were deprived of the territory by his master, the KASAI clan; subsequently, the family line went to ruin and took up farming again.
十六世紀中頃（戦国時代末期）、頼高の孫・及川頼家の時、同族間の内紛により主君葛西氏に領地を召し上げられてこの家系も没落し多くは帰農した。