His biological father was Sanenobu SAIKO, who was a court noble from a branch line of the Ogimachisanjo family and served for a retired emperor, and he was adopted by Kintane MUSHANOKOJI from high court nobility.
実父は正親町三条家庶流の院参の公家、西郊実信で、堂上の武者小路公種の養子となる。