Sir Ralph Milbanke, 5th Baronet British Member of Parliament (died 1798) (1725–1798) Parents Anne Delaval Sir Ralph Milbanke, 4th Bt. Children Elizabeth Lamb, Viscountess Melbourne Sir Ralph Milbanke, 6th Baronet John Milbanke Siblings John Milbanke Mark Milbanke Sir Ralph Milbanke, 5th Baronet Bridget Milbanke Partners Elizabeth Hedworth