Recently, some prefer to view the Katsuraki clan as two separate lineages: the line of Ashita no sukune (Ashita no sukune - Ariomi) in the north and the line of Tamada no sukune (Tamada no sukune - Tsubura no Okimi) in the south.
なお近年、葛城氏を北部の葦田宿禰系（葦田宿禰─蟻臣）と南部の玉田宿禰系（玉田宿禰─円大臣）の2系統に峻別して考える見解もある。