The elder sister of David Bowes-Lyon married a prince who was the last Emperor of what country?
George VI George VI (Albert Frederick Arthur George; 14 December 1895 – 6 February 1952) was King of the United Kingdom and the Dominions of the British Commonwealth from 11 December 1936 until his death. He was the last Emperor of India and the first Head of the Commonwealth.
Princess Maria da Glória, Duchess of Segorbe Princess "Dona" Maria da Glória Henriqueta Dolores Lúcia Miguela Rafaela Gabriela Gonzaga of Orléans-Braganza, Duchess de Segorbe (Portuguese: "Dona Maria da Glória Henriqueta Dolores Lúcia Miguela Rafaela Gabriela Gonzaga de Orléans e Bragança e Bourbon, princesa de Orléans e Bragança e duquesa de Segorbe" ; Serbian: Марија да Глорија од Орлеана и Браганце ; born 13 December 1946) is a descendant of the Brazilian Imperial Family and the wife of the Duke de Segorbe. She is also the former wife of Alexander, Crown Prince of Yugoslavia.