_Norborn Thomas NELSON _
                                               | (1478 - 1544)          
                          _Lawrence NELSON ____|
                         | (1532 - 1593)       |
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 _John Clarke NELSON ____|
| (1557 - 1607) m 1574   |
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|
|--Hugh NELSON 
|  (1575 - 1596)
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|_Mary Katherine DAWSON _|
  (1544 - 1609) m 1574   |
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