| Children |
| + | 1. Mary Frances Thornhill-Cook, b. 19 Mar 1871, Belmont farm, Hopetown district, Northern Cape, South Africa  |
| + | 2. Eileen Matilda Thornhill-Cook, b. 19 Jul 1872, Hopetown, Northern Cape, South Africa d. 1 Oct 1957, Sunnydale farm, Herbert district, Northern Cape, South Africa (Age 85 years) |
| | 3. Charles Herbert Thornhill-Cook, b. 12 Oct 1873, Hopetown, Northern Cape, South Africa d. 1881 (Age 7 years) |
| | 4. Edward Mounsey Thornhill-Cook, b. 16 Apr 1875, Hopetown, Northern Cape, South Africa d. 6 Dec 1897, Kimberley District, Northern Cape, South Africa (Age 22 years) |
| + | 5. Matilda Hart Thornhill-Cook, b. 14 Jul 1876, Hopetown, Northern Cape, South Africa d. 30 Apr 1971 (Age 94 years) |
| | 6. Arthur Wayland Thornhill-Cook, b. 27 Feb 1878, Thornhill farm, Herbert district, Northern Cape, South Africa d. 1881 (Age 2 years) |
| | 7. Dorothea Mounsey Thornhill-Cook, b. 27 Apr 1880, Hopetown, Northern Cape, South Africa d. 1881, Lovedale farm, Herbert district, Northern Cape, South Africa (Age 0 years) |
| + | 8. John Thornhill Thornhill-Cook, b. 3 Nov 1882, Hopetown, Northern Cape, South Africa d. 24 Sep 1967, Thornhill,Herbert,Cape Province,South Africa (Age 84 years) |
| | 9. Reginald Boyer Thornhill-Cook, b. 2 Apr 1887, Hopetown, Northern Cape, South Africa  |
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