Imperial Prince (Fushiminomiya Sadanaru) returned to secular life because of Kokyo (death of a man of upper than Third Rank) of the Fushiminomiya Imperial Prince Sadanori, then Imperial Prince (Fushiminomiya Sadanaru) took over as head of the family of Fushiminomiya.
しかし、伏見宮貞教親王薨去のため、文久2年（1862年）11月に還俗し家督を継ぐ。