Adalbert I of Vermandois
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| Herbert IV of Vermandois, Count of Vermandois Abt 1028-1080 |
| Herbert IV of Vermandois, Count of Vermandois | |
| B: | Abt 1028 |
| D: | 1080 |
| Otto of Vermandois, Count of Vermandois | |
| B: | 29 Aug 979 |
| D: | 25 May 1045 |
| Adalbert II of Vermandois, Count of Vermandois Abt 980-1015 |
| Adalbert II of Vermandois, Count of Vermandois | |
| B: | Abt 980 |
| D: | 1015 |
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