Daniel Rudolp was die seun van Petrus Jeremias van der Westhuizen en Jacoba Elizabeth de Wet.
(https://www.geni.com/people/Daniel-van-der-Westhuizen/4139781)
(https://www.geni.com/people/Helena-van-der-Westhuizen/4139849)
eGGSA library Gravestones in South Africa Gauteng Gauteng,
GERMISTON, Urban area Gauteng, Germiston, ELSBURG Gauteng, Germiston, ELSBURG,
Old cemetery W - Surnames :: Vanne - W WESTHUIZEN Daniel Rudolf, v.d. 1887-1960
& Helena Catharina Elizabeth BRITZ 1903-1992