| 1. Byron Gwatkin, b. 1904, Melbourne, Victoria, Australia d. 1983, Melbourne, Victoria, Australia (Age 79 years) | | 2. Albert Roderick Gwatkin, b. 1907, Melbourne, Victoria, Australia d. 1960, Melbourne, Victoria, Australia (Age 53 years) | | 3. John Walter Gwatkin, b. 1909, Melbourne, Victoria, Australia ▻Mavis Eleanor Mounty, m. 1955
| | 4. Gerte Eveleen Mavis Gwatkin, b. 1911, Melbourne, Victoria, Australia | | 5. Lola Gwatkin, b. 1913, Sunshine, Victoria, Australia d. Abt 1993 (Age 80 years) | | 6. Loys Irene Gwatkin, b. 1916, Sunshine, Victoria, Australia ▻John Brewster
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