His mother was a daughter of Minamoto no Morofusa or a daughter of FUJIWARA no Tadatoshi, a grandchild of FUJIWARA no Takaie, and Jinpan was his half younger brother with the same mother.
母は源師房の娘或いは藤原隆家の孫藤原忠俊の娘で、同母弟に尋範がいる。