French Mayor marries Duke of Windsor and Mrs Warfield. "We are happy in your happiness". Mayor of the small French village of Monts, near Ch漮eau de Cand? Dr Charles Mercier performed the civil ceremony at the wedding of the Duke of Windsor and Mrs Wallis Warfield (formerly Simpson) in the Chateau concluding his address he said: "Your Royal Highness, Duchess, we are happy in your happiness." Photo shows: the Mayor of Monts, Dr Charles Mercier, photographed as he left to marry the Duke of Windsor. 3 June 1937