While governor of Louisiana, he married Jeanne-Charlotte de Fleury Deschambault, a widow about 15 years his elder.

Although Vaudreuil held supreme civil authority in Canada and was technically commander-in-chief of all French forces there, he clashed often with Montcalm, the military commander in the field, who resented his oversight role.

One of several scapegoats for France's losses in the New World, Vaudreuil was imprisoned in the Bastille on March 30, 1762 but was released on May 18.

He was joined by Bigot, Cadet, Pean, Breard, Varin, Le Mercier, Penisseault, Maurin, Copron, and others.

Of the 21 men brought to trial, 10 were condemned, six were acquitted, three received an admonition and two were dismissed for want of evidence.