27 December 1838
References

Muller, C.F.J. (ed)(1981).Five Hundred years: a history of South Africa; 3rd rev. ed.,Pretoria: Academica, p. 167.|

Kruger, D.W. (ed)(1972).Dictionary of South African Biography,/em>Cape Town: Human Sciences Research Council, v. 1, p. 73.|

Giliomee et al. (2007), New History of South Africa. Tafelberg Publishers: Cape Town. p. 146.