Lot Essay
The sitter was the daughter of the Rt. Hon. George Grenville, sister of the Marquess of Buckingham and Aunt of the 1st Duke of Buckingham. She married Charles Watkin Williams-Wynn, politician and second son of Sir Watkin Williams-Wynn, 4th Baronet of Wynnstey, Denbighshire, on 21 December 1771 as his second wife. She died at Richmond, Surrey on 29 September 1832.