Frances Jocelyn, Viscountess Jocelyn Cowper was born in 1820, the youngest daughter of Emily Lamb, Countess Cowper, a daughter of Peniston Lamb, 1st Viscount Melbourne. Her paternity was officially attributed to Lady Cowper's husband, the 5th Earl Cowper. However, the historian K.D. Reynolds and others have argued that Henry John Temple, 3rd Viscount Palmerston was actually the father of Lady Frances and her brother William. Once widowed, her mother married Palmerston, though Lady Frances did not care for him. He became Prime Minister in 1859. In 1838, Lady Frances served as a maid of honour at the Coronation of Queen Victoria, and she also
Peniston Lamb, 1st Viscount Melbourne and inherited Melbourne Hall in Derbyshire. He married Elizabeth Milbanke (1751–1818), daughter of Sir Ralph Milbanke, 5th Baronet, on the 13th April 1769. She was a young woman of great beauty, intelligence and strong character, who quickly came to dominate her husband completely, and steered them into the centre of polite society. In 1770 he began, as Melbourne House, what is now The Albany in London. At the 1768 general election Lamb was returned unopposed as Member of Parliament for Ludgershall. In 1770 he was raised to the Peerage of Ireland as Lord Melbourne, Baron of Kilmore, in the County