Marianne Thornton (1797–1887)
Daughter of Henry Thornton, a member of the so-called ‘Clapham Sect’ of evangelicals, and his wife Marianne Sykes. Friend of the Darwins; resided in Clapham from 1855. Great-aunt of E. M. Forster.
L. M. Forster, "Recollections", p. 171 (King’s College Cambridge, PP/EMF/22 vol. 4/7)
ODNB s.v. Forster, Edward Morgan and Thornton, Henry
B. Wedgwood and Wedgwood 1980, p. 222.