The elder sister of David Bowes-Lyon married a prince who was the last Emperor of what country?
David Bowes-Lyon Sir David Bowes-Lyon KCVO (2 May 1902 – 13 September 1961) was the sixth son of Claude Bowes-Lyon, 14th Earl of Strathmore and Kinghorne, and Cecilia Nina Cavendish-Bentinck as well as their tenth and youngest child. His elder sister Lady Elizabeth Bowes-Lyon married Prince Albert, Duke of York, the second son of King George V, in 1923 and became Queen Consort of the United Kingdom after the abdication of her husband's elder brother Edward VIII on 11 December 1936.
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.