1550 - Birth of his biological father Jasper Hartwell at England 

Abt 1550 - Birth of his biological mother Martha Teagan at England 

1583 - Birth at Bedfordshire, England 

1585 - (2 years) Birth of his wife Mary Barnwell at Bedfordshire, England 

1608 - (25 years) Marriage with Mary Barnwell at Billerica, Middlesex County, Massachusetts, USA 

20 Jan 1610 - (27 years) Birth of his son Thomas Hartwell at Cranfield, Bedfordshire, England 

20 Jan 1610 - (27 years) Birth of his son Richard Hartwell at Cranfield, Bedfordshire, England 

21 Dec 1613 - (30 years) Birth of his son William Hartwell at Cranfield, Bedfordshire, England 

22 Aug 1616 - (33 years) Death of his wife Mary Barnwell at Bedfordshire, England 

22 Aug 1616 - (33 years) Birth of his son Robert Hartwell at Cranfield, Bedfordshire, England 

1619 - (36 years) Birth of his son Francis Hartwell at Preston, North Hampton, England 

1619 - (36 years) Birth of his son John Hartwell at Preston, North Hampton, England 

1620 - (37 years) Birth of his daughter Fana Hartwell at Preston, North Hampton, England 

1622 - (39 years) Birth of his daughter Dousa Hartwell at Preston, North Hampton, England 

1624 - (41 years) Birth of his daughter Elizabeth Hartwell at Preston, North Hampton, England 

1625 - (42 years) Birth of his daughter Anne Hartwell at Preston, North Hampton, England 

31 Jul 1650 - (67 years) Death at Bedfordshire, England 

12 Mar 1690 - Death of his son William Hartwell at Concord, Middlesex County, Massachusetts, USA 

1705 - Death of his son Thomas Hartwell

1710 - Death of his son Richard Hartwell

1711 - Death of his son Robert Hartwell

1714 - Death of his son John Hartwell

1714 - Death of his son Francis Hartwell

1717 - Death of his daughter Dousa Hartwell

1720 - Death of his daughter Anne Hartwell