Johannes Jacobus Janse (Lang Hans) van Rensburg, leader of one of the early Voortrekker treks, is born at the Sundays River,
… Potgieter, D.J. et al. (eds)(1970). Standard Encyclopaedia of Southern Africa, Cape Town: NASOU, v. 11, p. 162 … Johannes Jacobus Janse (Lang Hans) van Rensburg, leader of one of the early Voortrekker treks, is born at the Sundays River, …