Their fifth son, Henry (1798–1871), was a Church of England clergyman, who became principal of the East India Company College, Haileybury and then a canon residentiary of St Paul's Cathedral; he was also rector of Barnes, Surrey and a famous preacher.ODNB article by G. C. Boase, 'Melvill, Henry (1798–1871)’, rev. H. C. G. Matthew, Oxford Dictionary of National Biography, Oxford University Press, 2004 , accessed 18 September 2007
