 He succeeded his father as the head of the Fushimi-no-miya family in 1875.In 1872, Prince Fushimi Sadanaru married Princess Arisugawa Toshiko (1858–1927), the daughter of Prince Arisugawa Takahito, with whom he had two sons (Kunika and Akinori).Two concubines bore Prince Hiroyasu and Princess Sachiko respectively.