An haifi George a ranar 3 ga Yuni, 1865, a Marlborough House, London. Shi ne ɗan na biyu na Albert Edward, Prince of Wales, da Alexandra, Princess of Wales. Mahaifinsa shi ne ɗan fari na Sarauniya Victoria da Prince Albert, kuma mahaifiyarsa ita ce 'yar fari na Sarki Kirista IX da Sarauniya Louise na Denmark. An yi masa baftisma a Windsor Castle a ranar 7 ga Yuli, 1865 da Archbishop na Canterbury, Charles Longley. Tambaya: Yaushe ne baftisma?
7 ga Yuli 1865