Eldest daughter of Lt-Gen. Hon. Vere Poulett (1761-1812) of Addington, Bucks, and Anne Lucy Becher.

• Born 1788 at Sunbury on Thames
• Married George Grenville on 6 September 1813 at Addington, Buckinghamshire
• No surviving children. Two were lost in childbirth or shortly after birth. 
• Died 18 April 1848

Portrait in the National Portrait Gallery

She once penned Charles O'Conor a Valentine's poem:

This Fourteenth day, dear Doctor, leave your books,
And let your studies be fair ladies looks,
Your Valentine I am, & always ready,
To drink or play at drafts & yet keep steady.

[HEH STO 421 (Box 20); 1820?/02/14]

See also: 

• Marriage to George Grenville
• The Ionian Island