Élisabeth Marguerite d'Orléans (26 December 1646 - 17 March 1696), known as Isabelle d'Orléans, was the Duchess of Alençon and, during her husband's lifetime, Duchess of Angoulême.
She was a daughter of Gaston d'Orléans and a first cousin of Louis XIV of France.
She has no descendants today.
She was suo jure Duchess of Alençon and Angoulême.
Source: Danuta Rago, Maria Raczynska (1988). Kolekcja imienia Jana Pawla II z fundacji Janiny i Zbigniewa Karola Porczynskich. Krajowa Agencja Wydawnicza, p. 114 License: CC-PD-Mark PD-Art (PD-old-100)