Princess Isabelle d’Orléans

Princess Isabelle Françoise Hélène Marie d'Orléans (27 November 1900, Le Nouvion-en-Thiérache, France – 12 February 1983, Neuilly-sur-Seine, France) was a member of the House of Orléans and, by marriage, a member of the ducal Harcourt family and of the princely House of Murat.

She was one of the four children of Prince Jean, Duke of Guise (1874–1940), who would become the Orleanist pretender to the French throne in 1926, and Princess Isabelle of Orléans. Although born in France, her parents moved the family to Morocco in 1909, then a French colony. (22 August 1928 – 13 May 2013), and has issue. Isabelle d'Harcourt (1927–1993) married 20 October 1948 Prince Louis Murat (1920–2004); son of Prince Paul Murat and Solange de La Rochefoucauld), and had issue. Monique d'Harcourt (7 January 1929 – 10 January 2025) married 3 July 1948 Alfred Boulay de la Meurthe (26 July 1925 – 6 January 2014) and has issue, including: Gilone Boulay de la Meurthe (born 25 April 1949) married in 1975 Count Renaud de Clermont-Tonnerre (born 16 October 1950; son of Count Marie-Amédée de Clermont-Tonnerre and Rosanne Tailleferre); and has issue. Laure Boulay de la Meurthe (born 27 April 1951), sometime publisher of Point de Vue, who has issue with Sir James Goldsmith, including Charlotte Colbert. Yseult Boulay de la Meurthe (born 19 April 1956) married 25 August 1979 Alexandre de Blacas d'Aulps (20 December 1944 – 30 January 2003), son of Pierre, 6th Duc de Blacas, and Hélène de Blacas d'Aulps; and has issue.

As a widow, Isabelle remarried the Bonapartist Prince Pierre Murat (1900–1948) in 1934, at Jouy-en-Josas, "upon renunciation of the rank and prerogatives appertaining to princesses of the House of France". Prince Murat was a great-grandson of Prince Lucien Murat. No children were born of this marriage. In 1940, as World War II began and when her father died, Isabelle again took refuge at the family estate, Larache, in Morocco, where she shared quarters with her mother, and her elder sister the widowed Princess Françoise of Greece, along with her brother Henri, Count of Paris and the latter's son, Prince Michel d'Orléans. Isabella often visited her parents in Morocco, Belgium and France, especially during World War II. Her father died in 1940. In 1953, her younger sister, Princess Françoise, widow of Prince Christopher of Greece, died in her Paris home after a long period of depression. Princess Isabella herself died in 1983 and is buried in the Montparnasse Cemetery in Paris.

Ancestry