Agustín de Iturbide y Green was the adopted son of which Belgian princess?
Agustín de Iturbide y Green Don Agustín de Iturbide y Green, Prince of Iturbide (2 April 1863, in Mexico City, Mexico – 3 March 1925, in Washington, D.C.) was the grandson of Agustín de Iturbide, the first emperor of independent Mexico, and his consort Empress Ana María. He became the adopted son, along with his cousin Salvador de Itúrbide y de Marzán, of Mexico's only other royal heads of state—Emperor Maximilian I of Mexico and Empress Carlota of Mexico. After the death of Emperor Maximilian in 1867, he became the Head of the Imperial House of Mexico, but he had no children. His claims passed to Maria Josepha Sophia de Iturbide, the daughter of his cousin, Salvador.
Infanta Mariana Victoria of Portugal Mariana Victoria of Portugal (or of Braganza; Portuguese: Mariana Vitória; full name: "Mariana Vitória Josefa Francisca Xavier de Paula Antonieta Joana Domingas Gabriela de Bragança"; ] or [mɐˈɾiɐ ˈɐnɐ viˈtɔɾiɐ ʒuˈzɛfɐ] ; 15 December 1768 – 2 November 1788) was a Portuguese "Infanta" (princess), the eldest daughter of Queen Maria I of Portugal and her king-consort, Infante Pedro of Portugal.