Nielsen Hayden genealogy
Family: Walter Calverley / Elizabeth Markenfield (F1623)
m. Between 1 Mar 1415 and 16 Apr 1415Walter Calverley (1340-1404) 
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Joan Bigod ( -1420)
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| Thomas Markenfield ( -1416)
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John Markenfield ( -1431)  |
| Walter Calverley (1402-1466)
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| Elizabeth Markenfield (1410-1443)
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