Abt 1198 - 1237 (39 years)
| Guy de Bryan, V | |
| B: | 1228 |
| Pembrokeshire, Wales | |
| D: | 1 Jun 1307 |
| Haverfordwest, Pembrokeshire, Wales | |
| Eva de Tracy | |
| B: | 1228 |
| Barnstaple, Devon, England | |
| M: | 1 Jun 1248 |
| Pembroke, Pembrokeshire, Wales | |
| D: | 1 Jun 1310 |
| Barnstaple, Devon, England | |
| Baron of Talacharn Guy de Brienne, IV | |
| B: | 1202 |
| Haverfordwest, Pembrokeshire, Wales | |
| D: | 1 Jun 1252 |
| Haverfordwest, Pembrokeshire, Wales | |
| Jane de la Pole | |
| B: | 1202 |
| Spain | |
| D: | 1 Jun 1255 |
| Wales | |
| Grand Butler of France Alphonso d'Acre de Brienne | |
| B: | 1225 |
| Brienne, Saône-et-Loire, Bourgogne, France | |
| D: | 25 Aug 1270 |
| Tunisia | |
| Lady Mary de Lusignan | |
| B: | 1176 |
| Drôme, Rhône-Alpes, France | |
| D: | 1 Oct 1260 |
| Melle, Cuneo, Piemonte, Italy | |
| Marguerite de Brienne Beaumont | |
| B: | 1260 |
| D: | 9 Apr 1328 |
| Vicomte John de Beaumont | |
| B: | 1254 |
| Beaumont, Sarthe, Pays de la Loire, France | |
| D: | 1306 |
| Isabella de Beaumont | |
| B: | 1257 |
| D: | 1 Nov 1334 |
| Marie deBeaumont de Brienne | |
| B: | 1265 |
| Maine, Charente, Poitou-Charentes, France | |
| D: | 1 Nov 1334 |
| Henry Buchan de Beaumont | |
| B: | 1272 |
| Aberdeenshire, Scotland | |
| D: | 10 Mar 1349 |
| Aberdeenshire, Scotland | |
| Norville Norton | |
| B: | 1295 |
| Bedfordshire, England | |
| Avelina Neville | |
| B: | 1303 |
| Durham, England | |
| M: | Abt 1329 |
| Jeanne de Beaumont | |
| B: | 1263 |
| Maine, Charente, Poitou-Charentes, France | |
| D: | 1310 |
| Norville Norton | |
| B: | 1260 |
| Sharpenhoe, Bedfordshire, England | |
| M: | Abt 1290 |
| D: | Sharpenhoe, Bedfordshire, England |
| Bishop Louis Durham de Beaumont | |
| B: | 1255 |
| Maine, Charente, Poitou-Charentes, France | |
| D: | 24 Sep 1333 |
| Durham, England | |
| Jean de Brienne | |
| B: | 1255 |
| Maine, Charente, Poitou-Charentes, France | |
| D: | 1306 |
| Étival, Jura, Franche-Comté, France | |
| Vicomte de Beaumont Louis d'Acre de Brienne | |
| B: | 1227 |
| Israel | |
| D: | 1 Sep 1297 |
| Pays de la Loire, France | |
| Agnes de Beaumont | |
| B: | 1230 |
| Maine, Charente, Poitou-Charentes, France | |
| M: | 12 Feb 1253 |
| Israel | |
| D: | 9 May 1301 |
| Maine, Charente, Poitou-Charentes, France | |
| Empress Consort Berenguela de León | |
| B: | Abt 1198 |
| Leon, Castilla-Leon, Spain | |
| D: | 12 Apr 1237 |
| Austria | |
| Latin Emperor of Constantinople, King of Jerusalem Jean de Constantinople de Brienne, II | |
| B: | 1168 |
| Israel | |
| M: | 1222 |
| Toledo, Castilla-La Mancha, Spain | |
| D: | 21 Mar 1237 |
| Turkey | |
We make every effort to document our research. There is a lot of information that I do not have, and I know there are mistakes in this tree. My feelings will not be hurt if you give me corrections or additional information, especially if you can provide sources for the information.
