In La belle assemblée (London, 1830), plate opposite p. 48., Louisa Catherine Osborne (née Caton), Marchioness of Carmathen (1793-1874), married Francis Osborne (1798-1859) after the death of her first husband, Sir Felton Hervey (1782-1819). In 1838, she became Duchess of Leeds when Osborne became the 7th Duke of Leeds., “The proofs by M. Colnaghi, 23, Cockspur Street”., Waist-length portrait of the Maryland native, wearing a pearl necklace and teardrop earrings, and holding flowers.
