Nielsen Hayden genealogy
Family: Thomas Gresley / Margaret Walsh (F5409)
m. Bef 1392Nicholas Gresley (1347-1374) 
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Thomasina Wastneys ( -1404)
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| Thomas Walsh (1342-1398)
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| Katherine ( -1421) |
| Thomas Gresley (1365-1445)
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| Margaret Walsh ( -1422)
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Margaret de Gresley ( -1440)  |
| Jane Gresley ( -1452) |
| John Gresley ( -1449) |