Imperial Prince Sadayuki had many children including Imperial Prince Fushiminomiya Kuniie, who was his first son and the heir to the Fushiminomiya family, and Imperial Prince Nashimotonomiya Moriosa and others.
貞敬親王は子宝に恵まれ、第一王子で伏見宮を継いだ伏見宮邦家親王を始め梨本宮守脩親王ら多くの王子女を儲けた。