| |  1412 - 1471  (59 years) 
 
 
 
	
Generation: 1
Generation: 2
 Generation: 3
 Generation: 4
| 5. | Maryann | Children: 
 
2. Sir Henry Haydon was born in 1388 in Woodbury, Devonshire, England; died in 1448 in Woodbury, Devonshire, England.  | 
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 Generation: 5
| 9. | Mary G. | Children: 
 
4. John Haydon was born in 1364 in Woodbury, Devonshire, England; died in 1434 in Woodbury, Devonshire, England. Henry Haydon was born in 1367.  | 
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 Generation: 6
| 17. | Sibilla was born in 1316 in England. | 
 
 Generation: 7
 Generation: 8
 
| 129. | Joan Gerard | Children: 
 
64. Robert de Heydon was born in 1260 in Woodbury, Devonshire, England; died in 1323 in Woodbury, Devonshire, England.  | 
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