Elizabeth Campbell, Countess Cawdor (1795-1866) (1795–1866) Parents Isabella Elizabeth Byng Thomas Thynne, 2nd Marquess of Bath Children Mary Campbell Lady Georgiana Campbell Henry Walter Campbell John Campbell, 2nd Earl Cawdor Elizabeth Campbell Archibald Campbell Lady Emily Campbell Siblings Thomas Thynne Louisa Thynne Lord Edward Thynne Charlotte Montagu Douglas Scott, Duchess of Buccleuch Lord John Thynne Henry Thynne, 3rd Marquess of Bath Charles Thynne Lord William Thynne Partners John Campbell, 1st Earl Cawdor