________________________
                                               |                        
                         _William I LANCASTER _|
                        | (1100 - 1166) m 1155 |
                        |                      |________________________
                        |                                               
 _William II LANCASTER _|
| (1154 - 1184) m 1174  |
|                       |                       _William II of WARENNE _+
|                       |                      | (1071 - 1138)          
|                       |_Gundreda of WARENNE _|
|                         (1120 - 1166) m 1155 |
|                                              |_Elizabeth of CAPET ____+
|                                                (1085 - 1130)          
|
|--Hawise of LANCASTER 
|  (1175 - 1226)
|                                               ________________________
|                                              |                        
|                        _Robert STUTEVILLE ___|
|                       | (1110 - 1183) m 1131 |
|                       |                      |________________________
|                       |                                               
|_Helewise STUTEVILLE __|
  (1156 - 1226) m 1174  |
                        |                       ________________________
                        |                      |                        
                        |_Helewise MURDAC _____|
                          (1122 - 1183) m 1131 |
                                               |________________________