Imperial Prince Munehira's children were MINAMOTO no Noburari (an adopted child of FUJIWARA no Michinaga) and MINAMOTO no Munenobu, Eien (sogo, a monk of a managerial posts) of Enjo-ji Temple's Byodo-in.
子に源成信（藤原道長の養子）、源致信、永円（園城寺平等院僧綱）。