He also appointed his son, who had been considered illegitimate, to be the successor, excluding the son of his elder brother (the late Emperor Go-Nijo), who was in the direct line of Daigakuji-to, although Emperor Go-Daigo himself belonged the same lineage, in order to that his direct descendants might monopolize the privileges of the imperial lineage.
また自分が所属する大覚寺統の嫡流である兄後二条天皇の遺族を皇太子に指名せず本来傍流であったはずの自分の皇子を後継者として指名し、自己の子孫による皇統の独占を企図した。