_Richard Mór of BURGH _+
                                              | (1194 - 1242)          
                         _Walter of BURGH ____|
                        | (1210 - 1271) m 1257|
                        |                     |________________________
                        |                                              
 _Richard of BURGH _____|
| (1259 - 1326)         |
|                       |                      ________________________
|                       |                     |                        
|                       |_Aveline FITZJOHN ___|
|                          m 1257             |
|                                             |________________________
|                                                                      
|
|--Elizabeth of BURGH 
|  (1284 - 1327)
|                                              ________________________
|                                             |                        
|                        _____________________|
|                       |                     |
|                       |                     |________________________
|                       |                                              
|_Margarite of UNKNOWN _|
                        |
                        |                      ________________________
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                        |_____________________|
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                                              |________________________