For this reason, his younger brother Eijiro took over soke when his father died in 1910; however, he removed himself from the soke position and Mitsutaro then became the 78th soke in 1914.
このため1910年に父が逝去した際には、弟・栄治郎が宗家を相続するものの、後に辞退し、改めて1914年に光太郎が七十八世宗家となった。