Henri Roger du Plessis-Liancourt
- Born circa 1620
- Killed on August 6, 1646 in Dunkerque, at Fort-Mardyck, at the approximate age of 25 years
Parents
- Roger du Plessis-Liancourt, le Duc de Liancourt (1598 - 1674), duc de Liancourt, pair de France, premier gentilhomme de la chambre du Roi
- Jeanne de Schomberg (c. 1600 - 1674)
Family
- Married on November 25, 1643, with Anne Élisabeth de Lannoy (c. 1626 - 1654), comtesse de Lannoy et de La Bussière, issuing
Jeanne (1644 - 1669)