Henrietta Ponsonby, Countess of Bessborough

The Right Honourable The Countess of Bessborough
1793 portrait by Angelica Kauffman
Personal details
Born	(1761-06-16)16 June 1761 Wimbledon, London
Died	11 November 1821(1821-11-11) (aged 60) Florence
Spouse	Frederick Ponsonby, 3rd Earl of Bessborough
Children	John Ponsonby, 4th Earl of Bessborough Sir Frederick Ponsonby Lady Caroline Lamb William Ponsonby, 1st Baron de Mauley George Ponsonby Harriet Osborne, Baroness Godolphin
Parent(s)	John Spencer, 1st Earl Spencer Margaret Georgiana Poyntz

Henrietta Ponsonby, Countess of Bessborough (16 June 1761 – 11 November 1821), born Lady Henrietta Frances Spencer (generally called Harriet), 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 Spencer, was a great-grandson of John Churchill, 1st Duke of Marlborough. Her sister was Georgiana Cavendish, Duchess of Devonshire.