Nobushige's concubine, Ryuseiin, was a daughter of Hidetsugu TOYOTOMI, who was Hideyoshi TOYOTOMI's nephew, and Harusue's daughter (Ichinodai), and was therefore the granddaughter of Harusue.
信繁の側室・隆清院は豊臣秀吉の甥・豊臣秀次と晴季の娘（一の台）の子で、晴季の孫にあたるとされる。