According to "Kugyobunin," Kyofuku was a younger brother of Nanten KUDARANOKONIKISHI; however, some suggest that Nanten and Rogu were brothers, and thus Nanten was a Kyofuku's uncle.
また『公卿補任』に敬福は百済王南典の弟と記されているが、南典は朗虞の兄弟、つまり敬福の叔父ともいわれている。