House of Plessis de Richelieu
House of Vignerot du Plessis
Counts of Cosnac and Chinon
Marquises of Pont-Courlay
Dukes of Fronsac, Richelieu, Agenois and Aiguillon
Princes of Mortagne
Matrilineal branch issued from Françoise du Plessis, younger sister of Cardinal Richelieu, 1st Duke of Richelieu