George Lascelles akaberekerwa kumba kwevabereki vake kuLondon kuChesterfield House musi wa7 Kukadzi 1923, mwana wekutanga waHenry Lascelles, Viscount Lascelles, naMambokadzi Mary, Viscountess Lascelles, uye muzukuru wekutanga waMambo George V naMambokadzi Mary, avo vakamira semubatsiri pakubhabhatidzwa kwake. Kubhabhatidzwa kwakaitika musi wa 25 March 1923 paChechi yaSt Mary mumusha weGoldsborough, pedyo neKnaresborough pedyo nemusha wemhuri Goldsborough Hall. Mushure mekufa sekuru vake muna 1929, akazotumidzwa zita rekuti Viscount Lascelles sezvo baba vake vakamutevera pachigaro. Akashanda somuperekedzi wokuremekedzwa pakugadzwa
rababamunini vake Mambo George VI muna May 1937.