Agustín de Iturbide y Green was the adopted son of which Belgian princess?
Carlota of Mexico Princess Charlotte of Belgium, more commonly known as Carlota of Mexico (7 June 1840 – 19 January 1927) was a Belgian princess who became Empress of Mexico as the wife of Maximilian I of Mexico.
Princess Stephanie of Windisch-Graetz Princess Stéphanie of Windisch-Graetz (April 4, 1909 in Ploskovice, Bohemia – May 29, 2005 in Uccle, Belgium) was the daughter of Prince Otto Weriand of Windisch-Graetz (1873–1952) and Archduchess Elisabeth Marie of Austria (1883–1963), only child of Crown Prince Rudolf of Austria and Princess Stéphanie of Belgium. She was the great-grandchild of Emperor Franz-Joseph and Empress Elisabeth ('Sissi') of Austria. She was also the great-grandchild of King Leopold II of Belgium.