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.
Archduke Karl Ferdinand of Austria Archduke Karl Ferdinand of Austria (Vienna, 29 July 1818 – Gross Seelowitz (Židlochovice Castle), 20 November 1874) was the second son of Archduke Charles, Duke of Teschen (1771–1847) and Princess Henrietta of Nassau-Weilburg, and the maternal grandfather of King Alfonso XIII of Spain.