Harriet Osborne, Baroness Godolphin was a British noblewoman. An illegitimate child, her mother was the society figure Henrietta Ponsonby, Countess of Bessborough, who became pregnant by her longtime
Harriet's mother, the Countess of Bessborough, never revealed her true identity to her daughter.
Henrietta Frances Ponsonby, Countess of Bessborough, was the wife of Frederick Ponsonby, 3rd Earl of Bessborough; the couple were the parents of Lady Caroline Lamb. Her father, John Spencer, 1st Earl
Lady Georgiana Spencer, Henrietta Spencer and George, Viscount Althorp, by Angelica Kauffman, c. 1766