
| 1. | Jack Sylvester Marwick was born in 1899 in York, Western Australia. Jack married Jean Marmion Smith on 16 Sep 1920 in Perth Western Australia. [Group Sheet] [Family Chart]
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| 2. | Gwen Betty Marwick |
| 3. | Webster Marwick |
| 4. | Hillary Marwick Hillary married Gordon Hoopper [Group Sheet] [Family Chart] |