| 1. | Petronella Francina Jacoba Joubert Petronella getroud John Pieter van Dyk [Groepsblad] [Family Chart]
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| 2. |  Theunis Johannes van Dyk  (1.Petronella1)Theunis getroud Christelle Rose-Marie Cloete [Groepsblad] [Family Chart]
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| 3. | Liezl van Dyk (2.Theunis2, 1.Petronella1) |
| 4. | John Peter van Dyk (2.Theunis2, 1.Petronella1) John getroud Jeanne Pienaar [Groepsblad] [Family Chart] |
