_John of Gaunt PLANTAGENET _+
                                               | (1339 - 1398)              
                          _John BEAUFORT ______|
                         | (1371 - 1409)       |
                         |                     |_Katherine ROET ____________+
                         |                       (1350 - 1403)              
 _John BEAUFORT _________|
| (1403 - 1444)          |
|                        |                      ____________________________
|                        |                     |                            
|                        |_Margaret of HOLAND _|
|                          (1380 - 1439)       |
|                                              |____________________________
|                                                                           
|
|--Joan BEAUFORT 
|  (1404 - 1445)
|                                               ____________________________
|                                              |                            
|                         _John of BEAUCHAMP __|
|                        |                     |
|                        |                     |____________________________
|                        |                                                  
|_Margaret of BEAUCHAMP _|
  (1410 - 1482)          |
                         |                      ____________________________
                         |                     |                            
                         |_Edith STOURTON _____|
                                               |
                                               |____________________________