The daughter of John Manners; in 1799 she married Jomes Duff, afterwards fourth earl of Fife; she died of rabies in 1805.

REFERENCES TO Maria Caroline Duff, countess of Fife [née Manners]:

Walter Scott to Samuel Rogers, 4 October 1809 in Samuel Rogers and his Contemporaries 2 Vols (London: Smith, Elder & Co., 1889)