Johannes Jacobus was die seun van Johannes van der Westhuizen en Maria Magdalena Johanna Smit.
Sy naam kom voor in hulle pa se sterfkennis van 1862.
eGGSA library Gravestones in South Africa
Northern Cape : Noordkaap Northern Cape, KENHARDT, Urban area Northern Cape,
KENHARDT, Main cemetery W - Surnames __ Vanne - W WESTHUIZEN Jacobus Johannes,
van der 1856-1940 & Gertruida Catharina KRUGER 1871-1955