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Helen MacDowall (1794–1824)
Helen François de Chaumont (1824–1875)

Scottish. Natural daughter of Margaret (Peggy) Kennedy of Killochan, Dailly, Ayrshire, and Andrew McDouall of Logan MP. Married Louis François de Chaumont in Paris in 1824. Mother of Francis Stephen Bennet François de Chaumont.

Sources

BMD (Death index)

Census returns of Scotland 1861 (The National Archives of Scotland: St George 5/11/12)

Correspondence vol. 19, letter from F. S. B. F. de Chaumont to W. E. Darwin, 11 March 1871

Foreign registers and returns (The National Archives: Public Record Office RG33/63)

Namier and Brooke 1985 s.v. McDouall, Andrew.