+———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