_William III of BEAUCHAMP _+
                                                 | (1215 - 1269)             
                       _William IV of BEAUCHAMP _|
                      | (1238 - 1298)            |
                      |                          |_Isabel of MAUDUIT ________
                      |                                                      
 _Guy of BEAUCHAMP ___|
| (1272 - 1315)       |
|                     |                           _John FITZGEOFFREY ________
|                     |                          |                           
|                     |_Maud FITZJOHN ___________|
|                       (1238 - 1301)            |
|                                                |_Isabel LE BIGOD __________+
|                                                                            
|
|--Thomas of BEAUCHAMP 
|  
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|                     |                                                      
|_Alice of TOENI _____|
                      |
                      |                           ___________________________
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                      |__________________________|
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