The basics:
Françoise Isabelle Louise Marie
Born: Paris 25 Dec 1902
Died: Paris 25 Feb 1953
Married: 11 Feb 1929 Christopher of Greece (d.1940)
Paternal grandparents: Robert, Duc de Chartres and Princess Francoise of Orleans (there was a lot of intermarriage)
Maternal grandparents: Louis Philippe Comte de Paris and Infanta Maria Isabella of Spain
Parents: Jean, Duc de Guise (he became head of the Orléanist line upon the death of his cousin Philippe Duc d'Orléans in 1926) married in 1899 his first cousin Princess Isabelle d'Orléans
siblings (Francoise was the 2nd child):
Isabelle (1900- 1983); m. (1) 1923 Bruno, Comte d'Harcourt (2) Prince Pierre Murat
Anne Hélène Marie (1906-1986); m. Prince Amedeo of Savoy, Duke of Aosta
Henri Robert Ferdinand Marie Louis Philippe, Comte de Paris (1908-1999); m. Princess Isabella of Orléans and Braganza
Children:
Prince Michael of Greece (b.1939)