Frances Villiers, Countess of Jersey his "wife", Maria Fitzherbert, with whom he had undergone a form of marriage in a clandestine Church of England ceremony that all parties to it knew was invalid under the Royal Marriages Act 1772. Having encouraged the Prince of Wales to marry his first cousin, Caroline of Brunswick in 1794, Lady Jersey nevertheless set out to make Caroline's life difficult. However, the now Princess of Wales (Caroline) had very little regard for George IV, nor he for her, and after the birth of their child, they lived apart during their twenty-five year marriage, leaving a void Frances and other mistresses,
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