| 1. Harvey Richard Underwood, b. 27 Oct 1908, Markham, York, Ontario d. 22 Apr 1982 (Age 73 years) |
| 2. Lillian Maud Underwood, b. 25 Mar 1910 |
| 3. Harold Albert Underwood, b. 7 Apr 1912 |
| 4. Laura Mary Underwood, b. 18 Jul 1914 d. Aft 2003 (Age > 90 years) |
| 5. Nora Elizabeth Underwood, b. 9 Aug 1915 d. 8 Nov 1981 (Age 66 years) |
| 6. Frederick Robert Underwood, b. 21 Jan 1918, Markham, York, Ontario d. 1 May 1936, Orillia, Ontario (Age 18 years) |
| 7. Arthur John Underwood, b. 16 Jan 1921 d. 21 Nov 2006 (Age 85 years) |
| 8. Thomas Willis Underwood, b. 10 Nov 1923 d. 6 Jun 1944, France (Age 20 years) |
| 9. Gordon Ross Underwood, b. 22 Aug 1924 |
| 10. May Jean Underwood, b. 16 May 1926 |
| 11. Lyle Archie Underwood, b. 26 Jan 1928 |
| 12. George Walter Underwood, b. 19 Sep 1929 |
| 13. Robert James Underwood, b. 15 Mar 1931 |