Prince Sixtus of Bourbon-Parma was a member of the House of Bourbon-Parma, a Belgian officer in World War I, and the central figure in the Sixtus Affair, an attempt to negotiate a treaty to end Austria-Hungary's participation in the Great War... Wikipedia
Born: August 1, 1886, St. Gallen, Switzerland
Died: March 14, 1934 (age 47 years), Paris, France
Grandchildren: Comte Sixte de la Rochefoucauld, Comte Hughes de la Rochefoucauld, Comte Charles de la Rochefoucauld, and more
Children: Princess Isabella of Bourbon-Parma
Parents: Robert I, Duke of Parma and Infanta Maria Antónia of Portugal
Siblings: Zita of Bourbon-Parma
Spouse: Princess Hedwig de la Rochefoucauld (m. 1919)