Pierre de Beaumont
1225 - 1274 (49 years)(Notes: You may have to scroll down or right to see chart.)
| Beatrix DeDreux | |
| B: | 1319 |
| Seine Maritime, Haute-Normandie, France | |
| D: | 1356 |
| Thibaut VanMathefelon | |
| B: | 1315 |
| Seine Maritime, Haute-Normandie, France | |
| D: | 1364 |
| Robert De Dreux | |
| B: | 1288 |
| Seine Maritime, Haute-Normandie, France | |
| D: | 1351 |
| Beatrice De Courlandon | |
| B: | 1290 |
| Seine Maritime, Haute-Normandie, France | |
| D: | 1328 |
| Marguerite de Beaumont | |
| B: | 1270 |
| D: | Mar 1307 |
| Marseilles, Cher, Centre, France | |
| Robert de Dreux Seigneur de Beu | |
| B: | 1265 |
| Seine Maritime, Haute-Normandie, France | |
| D: | 1306 |
| Pierre de Beaumont | |
| B: | 1225 |
| D: | 25 Apr 1274 |
| Paris, Paris, Ile-de-France, France | |
| Philippa Di Ceccano | |
| B: | cir 1230 |
| D: | 21 Jan 1302 |