However, some scholars think that it is questionable to think that Keitai dynasty as a separate 'dynasty' because at the enthronement of Emperor Keitai he inherited the form of government as it was from the previous government, and in the blood line, he inherited the imperial throne as a man whose wife was a princess of the previous great kings family and became irimuko (man who takes his wife's premarital family name).
ただし、継体天皇の即位に当たっては前政権の支配機構をそっくりそのまま受け継いでいること、また血統の点でも前の大王家の皇女を妻として入り婿の形で皇位を継承していることなどから、これを「王朝」として区別できるかどうか疑問とする考え方もある。