| Children |
| | 1. TREWIN Alfred John, b. Abt 1917, Wonthaggi VIC , d. 28 Apr 1980, Wonthaggi VIC (Age ~ 63 years) |
| | 2. TREWIN Dorothy, b. Abt 1919, Wonthaggi VIC , d. Yes, date unknown |
| | 3. TREWIN Phyllis Pearl, b. Abt 1919, d. 1 Feb 1936, Wonthaggi VIC (Age ~ 17 years) |
| | 4. TREWIN Mary Elizabeth, b. Abt 1924, Wonthaggi VIC , d. 24 Feb 1943, Wonthaggi VIC (Age ~ 19 years) |
| | 5. TREWIN Maude |
| | 6. TREWIN Jean Victoria, b. Abt 1927, Wonthaggi VIC , d. 1927, Wonthaggi VIC (Age ~ 0 years) |
| | 7. TREWIN Raymond Herbert, b. 23 Aug 1929, Wonthaggi VIC , d. VIC  |
| | 8. TREWIN Donald James, b. Abt 1932, VIC , d. VIC  |
| | 9. TREWIN Margaret |
| | 10. TREWIN Valerie, b. Abt 1937, Wonthaggi VIC , d. 2010, VIC (Age ~ 73 years) |
|