Henrietta Vernon

Henrietta Vernon was the daughter of Lady Evelyn Leveson-Gower and held the title of Countess of Warwick, living from 1760 to 1838. Lady Evelyn Leveson-Gower was the daughter of John Leveson-Gower, 1st Earl Gower, and Lady Evelyn Pierrepont. Louisa Petty, Countess of Shelburne, was the daughter of Lady Evelyn Leveson-Gower and became the wife of William Petty, 2nd Earl of Shelburne, who served as British Prime Minister from 1737 to 1805. Louisa Petty was the second wife of William Petty, 2nd Earl of Shelburne, and lived from 1755 to 1789.