After the War on October 14, 1947, 51 family members of 11 Miyake ceased being members of the Imperial Family since it was hard for the nation to maintain the existing scale of Imperial Families financially, this was because Imperial assets did not belong to the national treasury any longer after receiving the order from the General Headquarters of the Supreme Commander for the Allied Powers.
敗戦後の1947年10月14日、11宮家51名は、連合国軍最高司令官総司令部の指令により皇室財産が国庫に帰属させられたため、経済的に従前の規模の皇室を維持できなくなったことから皇籍を離脱した。