| Children |
| | 1. Bertha Maud Twerton Thewlis, b. Abt 1881, Ceylon d. Abt 1907, Jhansi, , Uttar Pradesh, India (Age 26 years) |
| | 2. Elsie Annie Mary Thewlis, b. Abt 1883, Ceylon d. Yes, date unknown |
| | 3. Mabel Eveline Thewlis, b. Abt 1884, Ceylon d. Yes, date unknown |
| | 4. Herbert Frederick Thewlis, b. Abt 1885, Ceylon d. Abt 1885, Ceylon (Age 0 years) |
| | 5. Alice Mary Thewlis, b. Abt 1887, Kildare, Ireland d. Yes, date unknown |
| | 6. Ethel Jessie Thewlis, b. 12 Sep 1888, Kildare, Ireland d. Oct-Dec 1969, District Northallerton (Age 81 years) |
| | 7. Arthur Frederic Thewlis, b. Abt 1891, Kildare, Ireland d. 29 Aug 1952, 15 Grants Avenue, York, , Yorkshire, England (Age 61 years) |
| | 8. Frank Tinham Thewlis, b. 7 Aug 1892, District Huddersfield d. Apr-Jun 1969, District Richmond Yorkshire (Age 76 years) |
| | 9. Leonard Thewlis, b. Jul-Sep 1894, District Richmond Yorkshire d. Oct-Dec 1955, District Kensington (Age 61 years) |
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