It is said that the boy who was born in Tameie Mansion (Reizei Mansion) was Tamenori, as recorded in "Meigetsuki" (Chronicle of the Bright Moon) (according to Yoshisada ISHIDA).
『明月記』に見える為家邸（冷泉邸）で出生した男子が為教であるという（石田吉貞による）。