Johannes "Jan" de Klerk, was a South African politician. He was the father of F. W. de Klerk, the last apartheid State President of South Africa.

Pieter Mattheus Kruger Le Roux, generally known as P. K. Le Roux was a South African National Party politician who served as a Cabinet minister between 1958 and 1968, first as Minister of Water Affairs and Agricultural Technical Services and latterly as Minister of the Interior.