+———Patrick Snow (1517 Hartland, Devonshire, England – 26 Dec 1568 Hartland, Devonshire, England)                      |                  +———Richard Snow (1547 Hartland, Devonshire, England – 31 Dec 1615 Hartland, Devonshire, England)                  |   |                      |   +———Isota DeBerry                  |              +———Patrick Snow (8 Jul 1571 Barnstable, Devonshire, England – Jul 1638 Barnstable, Devonshire, England)              |   |                  |   +———Alice Musthill              |          +———Richard Snow (21 Dec 1608 Barnstable, Devonshire, England – 5 May 1677)          |   |              |   +———Marie Sweete          |      +———John Snow (1640 – )      |   |          |   +———Annis Avis Barrat      |  +———John Richard Snow (13 May 1668 Woburn, Middlesex Co, MA – 21 Mar 1735 Dunstable, Middlesex Co, MA)  |   |      |   +———Mary Greene  |      Jonathan Snow (2 Sep 1711 Woburn, Middleex Co, MA – 18 Apr 1762)  |          |   +———John Stevens  |   |  +———Sarah Stevens (28 May 1672 Chelmsford, Middlesex Co, MA – )      |          +———Elizabeth Hildreth