Incidentally, Morogami was conferred the family name of Oe only after SUGAWARA no Manaka and HAJI no Sugamaro, who both belonged to the same clan as Morogami, were conferred Oe no Ason at once, when HAJI no Maimo, the real mother of TAKANO no Niigasa, was raised to Shoichii (Senior First Rank) after her death.
なおこれより先高野新笠の実母土師真妹に正一位が追贈された際、同族の菅原真仲と土師菅麻呂が同時に大枝朝臣が授けられているが、諸上への改氏姓はこれに遅れている。