She was the daughter of Christopher Lethbridge and Mary Cannon.She married Lt. Col. Hon. Hugh Somerville, son of James Somerville, 12th Lord Somerville and Anne Bayntun, on the 23rd of November 1763.She died on the 11th of October 1765.
↑ Sir Bernard Burke, C.B. LL.D., A Genealogical History of the Dormant, Abeyant, Forfeited, and Extinct Peerages of the British Empire, new edition (1883; reprint, Baltimore, Maryland: Genealogical Publishing Company, 1978), page 452.
John Debrett. Debrett's Peerage of the United Kingdom of Great Britain and Ireland, Volume 2. Publisher G. Woodfall, 1828, Pg. 576.