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
William Brett, 1st Viscount Esher that her father was one Louis Mayer. They had two sons, Reginald, and Eugène, and a daughter Violet, wife of William Humble Dudley Ward and mother of William Dudley Ward. Lord Esher died in London in May 1899, aged eighty-one, and was succeeded by his eldest son, Reginald. William Brett, 1st Viscount Esher William Baliol Brett, 1st Viscount Esher, PC (13 August 1815 – 24 May 1899), known as Sir William Brett between 1868 and 1883, was a British lawyer, judge, and Conservative politician. He was briefly Solicitor-General under Benjamin Disraeli and then served as a justice of the Court