The daughter of Captain Benjamin Bechinoe; she married, first, William Bellenden-Ker, fourth Duke of Roxburghe, and second, in 1806, the Hon. John Manners, son of John Manners and Louisa Tollemache, Countess of Dysart.

REFERENCES TO Mary Bellenden-Ker [née Bechinoe]:

William Augustus Conway to William Jerdan, 18 October 1822 in The Autobiography of William Jerdan. 4 vols (London: Arthur Hall, Vertue & Co., 1852-53)