[1] In 1284, King Philip III of France named Gaucher, Constable of Champagne.

In 1291, Gaucher repelled the army of Count Henry III of Bar, son-in-law of King Edward I of England.

In 1302, during the conflict between Pope Boniface VIII and Philip IV, Gaucher tried to convince the nobility that the King of France was only accountable to God.

[4] In Flanders in 1302, Gaucher quashed the revolt in Bruges and built in that city a citadel at the expense of the inhabitants.

Châtillon is a character in Les Rois maudits (The Accursed Kings), a series of French historical novels by Maurice Druon.