Jean-Marie-François-Ferdinand de Broglie (21 June 1921 – 24 December 1976) was a French politician.
Born in Paris, he was one of the negotiators of the Évian Accords.
Jean de Broglie was assassinated on 24 December 1976 while coming out of the house of Pierre de Varga, his financial advisor. Varga was quickly arrested; in 1981, he was sentenced to ten years imprisonment for complicity in the assassination.
Jean Marie Francois Ferdinand de Broglie was the first son of Prince (Eugene Marie) Amedee de Broglie (1891-1957), himself the fourth son of Prince Francois Marie Albert de Broglie (1851-1939), himself was the fourth son of Albert, 4th duc de Broglie.
By his wife Micheline, he had three sons, including Victor-François, 8th duc de Broglie (b. 1949) who succeeded a distinguished distant cousin in 1987.

Sources

Paul Theroff (2005) An Online Gotha: Broglie Genealogy