Genealogy
Before his ascension to the Chrysanthemum Throne, his personal name (his imina) was Morinari-shinnō (守成親王?).
He was the third son of Emperor Go-Toba. His mother was Shigeko (重子), the daughter of Fujiwara Hanki (藤原範季)
- Empress (chūgū): Kujō Fujiwara no Ritsushi (?) (九条（藤原）立子)
- Second daughter: Imperial Princess Taiko (?) (諦子内親王)
- Fourth son: Imperial Prince Kanenari (懐成親王) (Emperor Emperor Chūkyō)
- Lady-in-waiting: Daughter of Fujiwara Norimitsu (藤原範光)
- Sixth son: Imperial Prince Zentō (善統親王)
- Seventh son: Prince Hikonari (彦成王)
- Consort: Daughter of Fujiwara Sayaki (藤原清季)
- Fifth son: Prince Tadanari (忠成王)
Read more about this topic: Emperor Juntoku