Jan Petrus was die seun van Johannes Albertus Jacobus von Wielligh en Janetta Sophia Jacoba Huisamen.
(https://www.geni.com/people/Jan-Von-Wielligh/6000000043100792856)
eGGSA library Gravestones in South Africa Worldwide Namibia Namibia, OKAHANDJA, Urban area Namibia, OKAHANDJA, Main cemetery