Pieter Retief was die seun van Pieter Gerhardus von Wielligh en Judith Magdalene van Heerden.
Boer Hendrina.
(https://www.genza.org.za/begrafnisbriewe/index.php?album=W-Surnames---Vanne-W/WIELLIGH-VON-Surnames-Vanne/WIELLIGH-VON-Sophia-Maria-Hester-Nn-Babsie-nee-DeKock-1907-1998-F)
eGGSA library Gravestones in South Africa Mpumalanga Mpumalanga, HENDRINA, Urban area Mpumalanga, HENDRINA, Main Cemetery W - Surnames :: Vanne - W WIELLIGH Pieter Retief, von 1899-1965 & Sophia M.H. DE KOCK 1907-1988 WIELLIGH Pieter Retief, von 1899-1965
(https://www.genza.org.za/begrafnisbriewe/index.php?album=W-Surnames---Vanne-W/WIELLIGH-VON-Surnames-Vanne/WIELLIGH-VON-Sophia-Maria-Hester-Nn-Babsie-nee-DeKock-1907-1998-F)
eGGSA library Gravestones in South Africa Mpumalanga Mpumalanga, HENDRINA, Urban area Mpumalanga, HENDRINA, Main Cemetery W - Surnames :: Vanne - W WIELLIGH Pieter Retief, von 1899-1965 & Sophia M.H. DE KOCK 1907-1988 WIELLIGH Sophia M.H., von nee DE KOCK 1907-1998