_Herbert II HERBERTIAN _+
                                                       | (0884 - 0942)          
                           _Robert HERBERTIAN _________|
                          | (0907 - 0968)              |
                          |                            |_Adele of ROBERTIAN ____+
                          |                                                     
 _Herbert III HERBERTIAN _|
| (0935 - 0982)           |
|                         |                             _Gilbert BOSONID _______
|                         |                            | (.... - 0956)          
|                         |_Adelaide-Werra of BOSONID _|
|                                                      |
|                                                      |_Ermengarde of BIVINID _+
|                                                        (0905 - 0945)          
|
|--Stephen I HERBERTIAN 
|  (.... - 1020)
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