Hikohito had a brother Prince Hikotoyo. Hikohito and his wife (the daughter of Yoshizane NIJO) had some children: Imperial Prince Tadafusa, Cloistered Imperial Prince Shochin and Imperial Princess Moriko.
兄弟に彦豊王、二条良実の娘との間に忠房親王を儲けた他、承鎮法親王・守子内親王がいる。