Chikashige then looked after Katsunari very well, valuing him highly, and let him marry his daughter (whose name was Osaku, an adopted daughter who was in fact a daughter of his older brother Iechika MIMURA), and when Katsunari was recalled by Ieyasu, Chikashige even made his vassals to accompany him.
その際、親成は勝成の人物を見込んでよく世話を焼き、娘（名を於柵と言い、兄三村家親の女を養女にしたもの）を娶わせ、勝成が家康から呼び出された際も供をつけて送り出している。