Original: He was one of six waka poets referred in the preface in kana to Kokin Wakash by Ki no Tsurayuki , and has been named as the hero of The Tales of Ise , whose hero was an anonym in itself but most of whose love affairs could be attributed to Narihira .
Simplified: His mother Princess Ito was a daughter of Emperor Kammu , so he was family to Emperor Kammu by both his mother and father .