However, FUJIWARA no Hisanori, the Kouzuke no suke (Assistant Governor of Kozuke Province), who fled after Masakado attacked and deprived him of the seal of Kokushi (Provincial Governor), was the uncle of Sumitomo (the younger brother of Sumitomo's father).
その一方で、将門に襲撃されて国司の印を奪われて逃げ出した上野介藤原尚範は純友の叔父（父親の実弟）にあたる人物である。