However, as Yoriie SHO (the sixth head of the head family of Kodama party), the legitimate child (elder brother of Ietsugu) of Ienaga was killed young in the Battle of Ichinotani, Ietsugu was adopted into the Yoriie family by Ienaga and ended up succeeding to the seventh head of the head family of Kodama party.
しかし、家長の嫡子（家次の兄）である庄頼家（児玉党本宗家6代目）が一ノ谷の戦いで若くして戦死した事から、家長によって頼家家の養子として迎えられ、児玉党本宗家7代目を継ぐ事となる。