In the beginning of the early-modern times, there was confusion between Noguchino Ono-haka Tumulus and Mise Maruyama Kofun Tumulus as to which one of these two tombs was the joint mausoleum of Emperor Tenmu and Empress Jito, causing controversy.
近世に入ると、野口王墓説と見瀬丸山古墳のどちらが天武・持統合葬陵であるかが不分明となり、問題となった。