Although the remarriage was understood to have been mediated by Nobutaka ODA, a theory that it was through Hideyoshi HASHIBA has become influential in recent years, due to a letter suggesting it was through Hideyoshi TOYOTOMI.
織田信孝の仲介によるとされて来たが、近年は、豊臣秀吉の仲介を伺わせる書状から、羽柴秀吉の仲介であった説が有力となっている。