The dharma lineage of the school began with Nichiren (the founder of the sect) that was passed down to Nichiro (the first chief priest of the Grand Head Temple Chokuzan Honjo-ji Temple in Sanjo in Echigo Province), Nichiin (the founder of the said temple as the chief priest) and Nichijo (originally one of the Uesugi clan (the Northern House of the Fujiwara clan) but he was later removed from the line of heads of the sect).
日蓮（宗祖）から日朗（総本山越後国三条長久山本成寺初祖）、日印（同寺開山）、日静（上杉氏<藤原北家系>出身、後に除歴）の法脈である。