Vice-Admiral Asaakira, Prince Kuni (久邇宮 朝融王, Kuni-no-miya Asaakira-ō; 2 February 1901 – 7 December 1959), was third head of the Kuni-no-miya, a collateral branch of the Japanese imperial family and vice admiral in the Japanese Imperial Navy during World War II. He was the elder brother of Empress Kōjun (Nagako), the consort of Emperor Shōwa (Hirohito), and thus a maternal uncle to the Emperor Emeritus Akihito.
Source: “Prince Kuni Asaakira”, English Wikipedia (CC BY-SA 4.0), excerpt
