_______________________
                                             |                       
                       ______________________|
                      |                      |
                      |                      |_______________________
                      |                                              
 _Theobald of VERDON _|
| (1278 - 1316)       |
|                     |                       _______________________
|                     |                      |                       
|                     |______________________|
|                                            |
|                                            |_______________________
|                                                                    
|
|--Isabel of VERDON 
|  (1315 - 1349)
|                                             _Richard of CLARE _____+
|                                            | (1222 - 1262)         
|                      _Gilbert of CLARE ____|
|                     | (1243 - 1295) m 1290 |
|                     |                      |_Maud of LACY _________+
|                     |                        (1222 - 1288)         
|_Elizabeth of CLARE _|
  (1295 - 1360)       |
                      |                       _Edward I PLANTAGENET _+
                      |                      | (1239 - 1307)         
                      |_Joan of PLANTAGENET _|
                        (1272 - 1307) m 1290 |
                                             |_Eleanor of IVREA _____+
                                               (1239 - 1290)