1Lombard en Heese, Suid Afrikaanse Geslagsregister Vol 2 (D-G), page 166.
Okkert Johannes (Okkie) DIEDERICKS
1BP DIEDERICKS, page 1.
Gert Johannes (Gert) DIEDERICKS
1BP DIEDERICKS, page 1.
2Gert Johannes DIEDERICKS, page 1.
Johanna Wilhelmina (Willie) VAN NIEKERK
1TAB: [MHG 90191 (1935)], MHG 90191 (1935).
2Gert Johannes DIEDERICKS, page 1.
Dirk Cornelius Stephanus Daniel (Dirk) GROBLER
1BP DIEDERICKS, page 1.
Martha Christina (Martha) DIEDERICKS
1BP DIEDERICKS, page 1.
Martha Christina (Martha) DIEDERICKS
1BP DIEDERICKS, page 1.