The arms are those of Frances, second wife and widow of Sir William Williams-Wynn, 3rd Baronet of Wynnstay. Frances, whom he married in 1741, was daughter of George Shakerley of Gwersylit, and she died in 1803. He died from a fall from his horse in 1749. He was succeeded by his son of the same name, 4th Baronet, M.P. for Denbigh, who married in 1769 Lady Henrietta Somerset, 5th daughter of Charles, 4th Duke of Beaufort, and secondly Charlotte, daughter of the Rt. Hon. George Grenville, sister of the Marquess of Buckingham and aunt of the first Duke of Buckingham.