| Children |
| + | 1. Frederick William Mills, b. 1838 |
| + | 2. Ellen Margaret Mills, b. 1839 |
| + | 3. Daniel James Mills, b. 1841, Cape Town, Western Cape, South Africa |
| + | 4. Walter Herbert Mills, b. 12 Apr 1844, Cape Town, Western Cape, South Africa |
| | 5. Harriet Emily Mills, b. 1846 |
| | 6. Martha Mary Mills, b. 1847, Cape Town, Western Cape, South Africa |
| | 7. Caroline Elizabeth Mills, b. 20 Aug 1849, Cape Town, Western Cape, South Africa |
| | 8. James Spencer Mills, b. 19 Feb 1851, Cape Town, Western Cape, South Africa |
| + | 9. James Spencer Mills, b. 1853, Cape Town, Western Cape, South Africa |
| + | 10. William Henry Owen Mills, b. 1854, Cape Town, Western Cape, South Africa |
| + | 11. Edward John Percival Mills, b. 1856 |
| + | 12. Charles Thomas Mills, b. 1857, Cape Town, Western Cape, South Africa |
| | 13. Alfred Lawrence Mills, b. 22 Oct 1858, Observatory, Cape Town, Western Cape, South Africa |
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