Callender and Sally will be remembered as long as Jefferson as Blotts in his Character. The story of the latter, is a natural and almost unavoidable Consequence of that foul contagion in the human Character [—] Negro Slavery.
Letter to Joseph Ward, 8 January 1810, stating his belief in the reports of James T. Callender that Thomas Jefferson was the father of the children of Sally Hemmings; also quoted in Scandalmonger (2001) by William Safire, p. 431