Bertha
779 - Aft 823 (45 years)
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 | Herlouin I Count of Ponthieu -Abt 878 |
| Herlouin I Count of Ponthieu | |
| D: | Abt 878 |
| Helisinde -Yes, date unknown |
| Helisinde | |
| D: | Yes, date unknown |
| Helgaud I Governor of Ponthieu -Abt 864 |
| Helgaud I Governor of Ponthieu | |
| D: | Abt 864 |
| Nithard 'The Chronicler' Governor of Ponthieu Abt 800-845 |
| Nithard 'The Chronicler' Governor of Ponthieu | |
| B: | Abt 800 |
| D: | 15 May 845 |
| Hartnid Abt 800-Yes, date unknown |
| Hartnid | |
| B: | Abt 800 |
| D: | Yes, date unknown |
|
| Bertha 779-Aft 823 |
| Bertha | |
| B: | 779 |
| D: | Aft 823 |
| Angilbert 'The Saint' Abbott of St Riquier Abt 750-813 |
| Angilbert 'The Saint' Abbott of St Riquier | |
| B: | Abt 750 |
| D: | 18 Feb 813 |