1608 - Birth of his biological mother Jasan-Jazan-Susan at England 

21 Dec 1613 - Birth of his biological father William Hartwell at Cranfield, Bedfordshire, England 

1639 - Marriage of parents at Massachusetts, USA 

23 May 1642 - Birth of his wife Ruth Wheeler at Concord, Middlesex County, Massachusetts, USA 

26 Jan 1645 - Birth at Concord, Middlesex County, Massachusetts, USA 

26 Oct 1665 - (20 years) Marriage with Ruth Wheeler at Concord, Middlesex County, Massachusetts, USA 

16 Feb 1668 - (23 years) Birth of his daughter Mary Hartwell at Concord, Middlesex County, Massachusetts, USA 

17 Oct 1669 - (24 years) Birth of his daughter Ruth Hartwell at Concord, Middlesex County, Massachusetts, USA 

19 Aug 1671 - (26 years) Birth of his son William Hartwell at Bedford, Middlesex County, Massachusetts, USA 

18 Jun 1673 - (28 years) Birth of his son John Hartwell at Concord, Middlesex County, Massachusetts, USA 

8 Oct 1675 - (30 years) Birth of his daughter Hannah Hartwell at Concord, Middlesex County, Massachusetts, USA 

23 Aug 1677 - (32 years) Birth of his daughter Elizabeth Hartwell at Concord, Middlesex County, Massachusetts, USA 

10 Jul 1679 - (34 years) Birth of his daughter Sarah Hartwell at Concord, Middlesex County, Massachusetts, USA 

1 May 1681 - (36 years) Birth of his daughter Abigail Hartwell at Concord, Middlesex County, Massachusetts, USA 

14 Dec 1682 - (37 years) Birth of his daughter Rebecca Hartwell at Concord, Middlesex County, Massachusetts, USA 

30 Nov 1684 - (39 years) Birth of his daughter Jane Hartwell at Concord, Middlesex County, Massachusetts, USA 

1686 - (40 years) Birth of his son Jonathan Hartwell at Concord, Middlesex County, Massachusetts, USA 

12 Mar 1690 - (45 years) Death of his biological father William Hartwell at Concord, Middlesex County, Massachusetts, USA 

23 Apr 1691 - (46 years) Birth of his son Joseph Hartwell at Concord, Middlesex County, Massachusetts, USA 

16 Mar 1694 - (49 years) Death of his son Joseph Hartwell at Concord, Middlesex County, Massachusetts, USA 

15 Aug 1695 - (50 years) Death of his biological mother Jasan-Jazan-Susan at Concord, Middlesex County, Massachusetts, USA 

19 Dec 1703 - (58 years) Death of his wife Ruth Wheeler at Concord, Middlesex County, Massachusetts, USA 

26 Jul 1725 - (80 years) Death at Concord, Middlesex County, Massachusetts, USA 

14 Mar 1738 - Death of his daughter Mary Hartwell at Concord, Middlesex County, Massachusetts, USA 

11 Dec 1742 - Death of his son William Hartwell at Bedford, Middlesex County, Massachusetts, USA 

16 Nov 1746 - Death of his son John Hartwell at Bedford, Middlesex County, Massachusetts, USA 

1747 - Death of his daughter Elizabeth Hartwell

1749 - Death of his daughter Sarah Hartwell

1751 - Death of his daughter Abigail Hartwell at Weston, Middlesex County, Massachusetts, USA 

1754 - Death of his daughter Jane Hartwell

5 Jan 1755 - Death of his daughter Hannah Hartwell at Concord, Middlesex County, Massachusetts, USA 

Jul 1756 - Death of his daughter Ruth Hartwell at Bedford, Middlesex County, Massachusetts, USA 

9 Dec 1770 - Death of his son Jonathan Hartwell at Littleton, Middlesex County, Massachusetts, USA 

29 Mar 1776 - Death of his daughter Rebecca Hartwell at Concord, Middlesex County, Massachusetts, USA