| Children |
| | 1. Henry Jeffreys, b. 10 Jul 1788, Layston Park, Royston, Hertfordshire, England  , d. 10 Sep 1849, Exeter, Devon, England, United Kingdom (Age 61 years) |
| | 2. Col Edward Jeffreys, b. 1789, d. 1861 (Age 72 years) |
| | 3. Richard Jeffreys, b. 14 Mar 1791, d. 30 May 1866 (Age 75 years) |
| | 4. Mary Jeffreys, b. 1792, d. 1821 (Age 29 years) |
| | 5. Juliana Anne Jeffreys, b. 24 May 1793, Ely Cambridgeshire England , d. 7 Sep 1871, Bromley, Kent, England, United Kingdom (Age 78 years) |
| | 6. Emma Jeffreys, b. 1796 |
| | 7. Charlotte Fancourt Jeffreys, b. 1797, d. 1832 (Age 35 years) |
| | 8. Harriet Jeffreys, b. 1798, d. 8 Feb 1836, London, England, United Kingdom (Age 38 years) |
| | 9. Dr. Julius Jeffreys, FRS, b. 14 Sep 1800, Hall Place, Bexley, Kent, England , d. 13 May 1877, Richmond, Surrey, England, United Kingdom (Age 76 years) |
| | 10. Charles Richard Jeffreys, b. 10 Nov 1801, Great Parndon, Essex, England, United Kingdom , d. 25 Nov 1862, Dunedin, Otago, New Zealand (Age 61 years) |
| | 11. Edgar Jeffreys, b. 1802 |
| | 12. Caroline Jeffreys, b. 1 Jul 1804, Kānpur, Uttar Pradesh, India , d. 30 Oct 1884, Dunedin, Otago, New Zealand (Age 80 years) |
| | 13. Henrietta Jeffreys, b. 1807, d. 12 Oct 1841 (Age 34 years) |
| | 14. Francis Jeffreys, b. 27 Jun 1809, Fatehgarh, Uttar Pradesh, India , d. 1839, Fatehgarh, Uttar Pradesh, India (Age 29 years) |
|
1762 - 1809 (47 years)