SOGA no Yasumaro, a nephew of Akae and the son of Murajiko was trusted by Emperor Tenmu to the extent that he was entrusted the succession of the Soga clan and was bestowed the family name ISHIKAWA Ason (second highest of eight hereditary titles).
その甥で連子の子である蘇我安麻呂は、天武天皇の信任が厚かったために蘇我氏の後を継ぎ、石川朝臣の姓氏を賜った。