While Rinshi was Michinaga's first wife and, at the same time, the daughter of the serving daijin at that time and helped to promote Michinaga, the father of Akirako had been sadaijin like as Masanobu, but had already died and had been exiled due to the Anna Incident.
だが、倫子は道長の最初の妻であると同時に当時の現職大臣の娘であり、道長の出世への助けになったのに対し、明子の父は同じ左大臣でも既に故人でしかも安和の変で流罪になった人物であった。