Stamboom Marijnissen
Robert van Montgomery
1056 - Aft 1130 (~ 79 years)(Notes: You may have to scroll down or right to see chart.)
| Jan I van Ponthieu | |
| D: | 30 Jun 1191 |
| Acre | |
| Beatrix de Saint-pol | |
| D: | Aft 1201 |
| Guy de Ponthieu | |
| D: | Between 1205 and 1218 |
| Gwijde Ii van Ponthieu | |
| D: | 1147 |
| Efese | |
| Ida | |
| D: | Aft 1177 |
| Robert de Garennes | |
| D: | Aft 1170 |
| Jean de Ponthieu | |
| D: | 1191 |
| Willem I van Ponthieu | |
| D: | 30 Jun 1171 |
| Helie van Bourgondi?e | |
| B: | Abt 1080 |
| D: | 28 Feb 1141 |
| Robert van Montgomery | |
| B: | Between 1052 and 1056 |
| D: | Aft 1130 |
| Agnes van Ponthieu | |
| D: | Aft 1100 |