Namesakes
Cardinal Richelieu
(a.k.a. du Plessis) (m) 1585-1642 
Notable Politicians and Statespeople
Armand-Emmanuel de Vignerot du Plessis
(m) 1766-1822
French Presidents and Prime Ministers 1815-1818; 1820-1821 (prime minister)
Faf du Plessis
(m) 1984-
Notable Athletes (cricket)
Jannie du Plessis
(m) 1982-
Notable Athletes (rugby)
Bismarck du Plessis
(m) 1984-
Notable Athletes (rugby)