| b 1305, Of, Plumpton, Yorkshire, England | d 25 Dec 1362, | |||
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| John (Alexander) Mowbray | ||||
| |b 1279 | | | |||
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| Christiana Mowbray | ||||
| |William De Plumpton-2 + | | | |||
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| 1 | < | Robert Plumpton | 2 | < | Alicia Plumpton |
Source: 'Ancestrial Roots of Sixty Colonists Who Came to New England between 1623 and 1650', Frederick Lewis Weis, 1969, p 112.