This is her article in thepeerage, "Frances Williams F, #29715, b. 1735, d. 19 July 1759
Frances Williams was born in 1735.1 She married William Anne Capel, 4th Earl of Essex, son of William Capell, 3rd Earl of Essex and Lady Elizabeth Russell, on 1 August 1754.2 She died on 19 July 1759.
She was also known as Frances Hanbury-Williams. She was the daughter of Sir Charles Hanbury-Williams and Lady Frances Coningsby. From 1 August 1754, her married name became Capell. As a result of her marriage, Frances Williams was styled as Countess of Essex on 1 August 1754.
Children of Frances Williams and William Anne Capel, 4th Earl of Essex
John Capell d. 1806
George Capell-Coningsby, 5th Earl of Essex+ b. 13 Nov 1757, d. 23 Apr 1839
Frances Capell b. 1759, d. 1759.