The daughter of Robert Dillon, first Baron Clonbrock; in 1805 she married the Hon. Sir Robert Le Poer Trench, son of the Earl of Clancarty.

REFERENCES TO Hon. Letitia Susanna Trench [née Dillon]:

Sydney Owenson to Margaret Featherstone, 29 December 1801 in Lady Morgan’s Memoirs: Autobiography, Diaries and Correspondence. Second Edition, Revised 2 vols (London: Wm. H. Allen & Co., 1863)