18th Century British School BUST PORTRAITS OF THE DUKE OF GLOUCESTER IN A RED COAT WEARING THE GARTER STAR, AND HIS WIFE THE DUCHESS OF GLOUCESTER (NEE WALPOLE) IN A WHITE LACE-TRIMMED DRESS WITH BLUE RIBBON pastels 60 x 47.5cms; 23 1/2 x 18 3/4in. (a pair) See illustration Note: Maria Duchess of Gloucester (1736-1807) was the granddaughter of Robert Walpole (1676-1745). Her marriage to the Prince William Henry, Duke of Gloucester (1743-1805) led to the Royal Marriages Act 1772 since it was done without the consent of George III.