Archduchess Monika of Austria

Archduchess Monika of Austria (née Monika Maria Roberta Antonia Raphaela von Habsburg-Lothringen), Princess Imperial and Archduchess of Austria, Princess Royal of Hungary and Bohemia, Duchess of Maqueda and Santangelo (born 13 September 1954) was born in Würzburg, the daughter of Otto, Crown Prince of Austria and Princess Regina of Saxe-Meiningen. She is the twin sister of Archduchess Michaela.

Archduchess Monika married Luis María Gonzaga de Casanova-Cárdenas y Barón, Duke of Santangelo, son of Balthasar de Casanova-Cárdenas y de Ferrer and María de los Dolores Barón y Osorio de Moscoso, Duchess of Maqueda, on 21 June 1980 in Germany. They have four children:

• Baltasar Carlos de Casanova y Habsburgo-Lorena, Marquess of Elche (b. 17 August, 1981)
• Gabriel Maria de Casanova y Habsburgo-Lorena, (b. 23 March, 1983)
• Rafael Maria de Casanova y Habsburgo-Lorena (b. 18 August, 1986)
• Santiago de Casanova y Habsburgo-Lorena (b. 26 April, 1993)