Henry Thynne, 3rd Marquess of Bath British naval commander and politician (1797-1837) (1797–1837) Parents Isabella Elizabeth Byng Thomas Thynne, 2nd Marquess of Bath Children Lady Louisa Isabella Harriet Thynne John Thynne, 4th Marquess of Bath Lord Henry Thynne Lady Alice Thynne Siblings Charles Thynne Louisa Thynne Charlotte Montagu Douglas Scott, Duchess of Buccleuch Lord John Thynne Thomas Thynne Elizabeth Campbell, Countess Cawdor Lord Edward Thynne Lord William Thynne Partners Harriet Baring