______________________
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                       _____________________|
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                      |                                            
 _John CROPHULL ______|
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|--Thomas CROPHULL 
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|                      _Thebaud of VERDUN __|
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|                     |                     |______________________
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|_Margery of VERDUN __|
                      |
                      |                      _Edmund MORTIMER _____
                      |                     |                      
                      |_Maud of MORTIMER ___|
                                            |
                                            |_Margaret of FIENNES _