From around that time, a confrontation between her nephew Hideyori TOYOTOMI (it is said that her elder sister Chacha (Yodo-dono) seized real power in the Toyotomi family) and Ieyasu TOKUGAWA (her sister GO's father-in-law) became known and Jokoin strived for mediation as the messenger of the Toyotomi side.
この頃から甥・豊臣秀頼（姉の茶々〔淀殿〕が豊臣家の実権を掌握とも）と徳川家康（妹・江の舅）の対立が露呈するようになり、常高院は豊臣方の使者として仲介に奔走。