In 1555 he was one of the French deputies at the conferences held at Mark near Ardres to discuss peace with England.
He also supervised military engineering works at the châteaux of Tournai and Ardres.
Ardres |
John of Beauchamp had been conducting a raid near Ardres, attacking the neighbourhood of Saint-Omer.
The meeting between Francis I and Henry VIII took place here at Campagne-lès-Guînes in 1546 to conclude the peace treaty of Ardres, which saw Boulogne returned to the French crown, for a sizeable sum of money.