He was called one of the 'Nochi no Sanbo (three attendants to Emperor with the word 'fusa' attached to their names)' along with other personal attendants to Emperor Godaigo, Chikafusa KITABATAKE and Sadafusa YOSHIDA.
宣房は、後醍醐天皇の近臣である北畠親房、吉田定房と合わせて「後の三房」と併称された。