George Bussy Villiers, 4th Earl of Jersey, PC, FSA (9 June 173522 August 1805), styled Viscount Villiers from 1742 to 1769, was a British courtier and politician and courtier.
He was the oldest surviving son of William Villiers, 3rd Earl of Jersey, and the former Anne Russell, Duchess of Bedford. Born Lady Anne Egerton, his mother was the widow of Wriothesley Russell, 3rd Duke of Bedford, who died in 1732 at age 24. She married William Villiers in 1733. His elder brother, Frederick William Villiers, styled Viscount Villiers, died in childhood in 1742, at which time he was styled Viscount Villiers.
His paternal grandparents were William Villiers, 2nd Earl of Jersey, and the former Judith Herne (a daughter of Frederick Herne). His maternal grandparents were Scroop Egerton, 1st Duke of Bridgewater, and Lady Elizabeth Churchill (herself the daughter of John Churchill, 1st Duke of Marlborough, and Sarah, Duchess of Marlborough).
Between 1756 and his father's death in 1769, which took him into the House of Lords, he served continuously in the House of Commons as MP for, in turn, Tamworth in Staffordshire, Aldborough in the West Riding of Yorkshire, and Dover in Kent. He followed the political lead of the Duke of Grafton in both the Commons and Lords. He was a Lord of the Admiralty from 1761 to 1763 and was sworn of the Privy Council on 11 July 1765 and served as Vice-Chamberlain from 1765 to 1769.
On his elevation to the peerage in 1769, he was made a Gentleman of the Bedchamber to George III from 1769 to 1777, and served as Master of the Buckhounds from 1782 to 1783, and in other court posts until 1800. Because of his courtly manners he was known as the "Prince of Maccaronies."
He was elected a Fellow of the Society of Antiquaries in 1787.
Lord Jersey married Frances Twysden at her stepfather's house in the parish of St Martin-in-the-Fields on 26 March 1770. Lady Jersey, who was seventeen years younger than her husband, became one of the more notorious mistresses of George IV in 1793, when he was still Prince of Wales. She was 40 years old at the time and more than once a grandmother. Together, Lord and Lady Jersey had ten children:
Lord Jersey died on 22 August 1805 at Tunbridge Wells.
Through his daughter Anne, he was a grandfather of John Lambton, 1st Earl of Durham, who married Harriet Cholmondeley, the illegitimate daughter of the 4th Earl of Cholmondeley. After her death in July 1815, he married Lady Louisa Grey, daughter of the 2nd Earl Grey.
Through his daughter Caroline, he is an ancestor of Diana, Princess of Wales, and of her sons, William, Prince of Wales and Prince Harry, Duke of Sussex.