Elizabeth Lamb, Viscountess Melbourne Viscountess Melbourne (1750–1818) Parents Elizabeth Hedworth Sir Ralph Milbanke, 5th Baronet Children Frederick Lamb, 3rd Viscount Melbourne Peniston Lamb George Lamb William Lamb, 2nd Viscount Melbourne Emily Temple, Viscountess Palmerston Siblings Sir Ralph Milbanke, 6th Baronet John Milbanke John Milbanke Partners George IV of the United Kingdom Peniston Lamb, 1st Viscount Melbourne
