The details of the dispute are not clear due to a missing part in the "Shomonki" (The Chronicle of Masakado), but the subject of the dispute is believed to be either the daughter of MINAMOTO no Mamoru, the former Daijo (an official of the Third Rank) of Hitachi Province or the daughter of Yoshikane.
「女論」の詳細は『将門記』に欠落があって不明だが、前常陸国大掾源護の娘、もしくは良兼の娘を巡る争いであったと考えられている。