| Children |
| | 1. Mary Hartwell, b. Abt 1719, Concord, , MA  |
| | 2. Elizabeth Hartwell, b. 29 Feb 1720, Concord, Middlesex, Massachusetts d. 1 May 1720 (Age 0 years) |
| | 3. Jonathan Hartwell, b. 26 Jun 1721, Concord, Middlesex, Massachusetts d. 19 Feb 1738 (Age 16 years) |
| | 4. Jonathan Hartwell, b. 26 Jun 1721, Concord, , MA |
| | 5. Sarah Hartwell, b. 22 Sep 1723, Chelmsford, Middlesex, Massachusetts |
| | 6. Peter Hartwell, b. 9 Mar 1725, Chelmsford, Middlesex, Massachusetts d. 1763 (Age 37 years) |
| | 7. Thomas Hartwell, b. 6 Mar 1727, Chelmsford, Middlesex, Massachusetts d. 1757 (Age 29 years) |
| | 8. Oliver Hartwell, b. 9 Mar 1729, Chelmsford, Middlesex, Massachusetts |
| | 9. Charles Hartwell, b. 22 Feb 1731, Westford, Middlesex, Massachusetts |
| | 10. Elizabeth Hartwell, b. 13 Feb 1732, Westford, Middlesex, Massachusetts d. 17 Feb 1826 (Age 94 years) |
| | 11. Mary Hartwell, b. May 1738, Westford, Middlesex, MA d. 17 Feb 1826 (Age 87 years) |
| | 12. Jonathan Hartwell, b. 19 Sep 1741, Westford, Middlesex, Massachusetts |
|
1697 - 1749 (51 years)