French noble (1740-1773)
Montpellier, Hérault
Braine, Hauts-de-France
Septimanie de Vignerot du Plessis de Richelieu Egmont (* 1. March 1740; † 14. October 1773) was a french noble. She was 33 years old. She was married to Casimir Pignatelli d'Egmont.