1874 - Yes, date unknown(
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Johannes Christiaan de Beer b. 7 Mar 1869 d. 8 Oct 1955 b. 27 Mar 1925 d. 26 May 2001
Gideon van Dyk b. 2 Oct 1921 d. 14 Sep 1973
b. 30 Mar 1951 d. 1 Mar 1980
Living
b. 25 Mar 1928 d. 24 Dec 2003
Abraham Paulus van Dyk b. 3 May 1926 d. 29 Jan 1978