The daughter of Lt.-Gen. Sir John Campbell, first Marquess of Breadalbane; in 1819 she married Richard, afterwards second Duke of Buckingham and Chandos. They were separated in 1848 following his infidelities and fin

REFERENCES TO Mary Grenville, duchess of Buckingham and Chandos [née Campbell]:

Countess of Charleville to Lady Morgan, 13 July 1819 in Lady Morgan’s Memoirs: Autobiography, Diaries and Correspondence. Second Edition, Revised 2 vols (London: Wm. H. Allen & Co., 1863)