Yorihiro SHIMOTSUMA, a child of Rairyu SHIMOTSUMA who was a boukan (a priest who served for the Monzeki families) of Hongan-ji Temple, was born from a mother who was a daughter of Tsuneoki IKEDA, and he changed his name to Shigetoshi IKEDA thereafter.
本願寺坊官下間頼竜の子・下間頼広は母を池田恒興娘とし、後に池田重利と改名。