Charles I de Montmorency

He inherited the seigneuries of Montmorency, Ecouen, Damville, Argentan, Feuillarde, Chaumont-en-Vexin, Vitry en Brie and others upon the death of his father.

[3] He commanded the army that Duke John of Normandy led in Brittany to help Charles de Blois.

He accompanied this prince in Guyenne against Henry, Earl of Derby in 1345 and distinguished himself at the Battle of Crécy in 1346.

[3] He helped conclude the Treaty of Brétigny between the Philip VI and King Edward III of England, dated 8 May 1360.

He died on 11 September 1381 and was buried in the church of the Val Abbey in Meriel, near L'Isle-Adam.