Frances Villiers, Countess of Jersey Frances Villiers, Countess of Jersey Frances Villiers, Countess of Jersey ("née" Twysden; 25 February 1753 – 23 July 1821) was one of the more notorious of the many mistresses of King George IV when he was Prince of Wales, "a scintillating society woman, a heady mix of charm, beauty, and sarcasm". Through marriage she belonged to the Villiers family. She was born Frances Twysden, in London, second and posthumous daughter of The Rt Rev. Dr Philip Twysden (c.1714–52), Church of Ireland Lord Bishop of Raphoe (1746–1752; died 2 November 1752, allegedly shot while attempting to rob a stagecoach near London),
Edward Villiers (Master of the Mint) He had an elder brother, Sir William Villiers (d. 12 June 1629), created a baronet in 1619, who married Rebecca Roper, daughter and co-heir of Robert Roper, esquire, by Elizabeth Nott, the daughter of William Nott, esquire, of Thames Ditton; and three sisters, Elizabeth Villiers (d.1654), who married John Boteler, 1st Baron Boteler of Brantfield; Anne Villiers, who married Sir William Washington, brother of Lawrence Washington, ancestor of George Washington; and Frances Villiers, who died without issue. By his father's second marriage he was a half-brother of James I's favourite, George Villiers, 1st Duke of Buckingham; John Villiers, 1st Viscount