Archduke Sigismund of Austria (born 1966)  Archduke Sigismund of Austria, Prince of Tuscany ("Sigismund Otto Maria Josef Gottfried Henrich Erik Leopold Ferdinand Von Habsburg-Lothringen"; born 21 April 1966) is the current head of the Tuscan branch of the House of Habsburg-Lorraine. His great-great grandfather Ferdinand IV was the last Grand Duke of Tuscany. Sigismund was born in Lausanne the son of Archduke Leopold Franz and his first wife "Princess" Laetitia d'Arenberg, born Laetitia de Belzunce (and adopted by her stepfather Erik, 11th Duke of Arenberg). Sigismund was educated in computer science and has worked as a banker. In 1993 Sigismund's father Leopold Franz renounced his rights as Head of the in favour of Sigismund on his second marriage. Sigismund is Grand Master of the Order of Saint Joseph and the Order of Saint Stephen, the two orders of knighthood of the Grand Ducal House of Tuscany. He has also a served as a patron for the Almanach de Saxe Gotha. Sigismund was raised in Uruguay and Switzerland by his mother and father. His maternal family are said to possess businesses in Uruguay. In 1999, Sigismund married Elyssa Edmonstone (born Glasgow, 11 September 1973), the only daughter of Sir Archibald Bruce Edmonstone, of Duntreath, 7th Baronet by his second wife Juliet Elizabeth Deakin. Archduchess Elyssa is a great-great-granddaughter of Marshall Field and a third cousin of Camilla, Duchess of Cornwall. The Edmonstone family is an old Scottish family that was raised to a baronetcy in 1774; their best-known member was the royal mistress Alice Keppel. Through this family connection, Elyssa and Camilla, Duchess of Cornwall are third cousins. The couple are divorced since 25 June 2013, with annulment in 2016. The couple have three children:   Sigismund lives with his family in Lausanne, Switzerland. In 2017, the renunciation of French citizenship (obtained by his ancestors and held by their descendants since loss of the Tuscan throne) was legally recorded for him and his children.