_Richard Mór of BURGH _+
                                              | (1194 - 1242)          
                         _Walter of BURGH ____|
                        | (1210 - 1271) m 1257|
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                        |                                              
 _Richard Óg of BURGH _|
| (1240 - 1326)         |
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|                       |                     |                        
|                       |_Aveline FITZJOHN ___|
|                          m 1257             |
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|                                                                      
|
|--John of BURGH 
|  (1286 - 1313)
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|_Margarite of UNKNOWN _|
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