Children |
| 1. DE BEAUMONT, Jeanne, b. 1260, Mamers, Sarthe, Pays de la Loire, France , d. 1323, France (Age 63 years) |
| 2. DE BRIENNE DE BEAUMONT-AU-MAINE, Marie, b. environ 1255, d. 21 Mar 1329 (Age ~ 74 years) |
| 3. DE BRIENNE, Marie Dame de Passy-sur-Marne, b. Abt 1265, Beaumont-Sur-Sarthe(Le-Vicomte), Sarthe, Mainepays-De-La-Loire, France , d. 21 Mar 1328 (Age ~ 63 years) |
| 4. BRIENNE, Marguerite de, b. Est 1262, Normandie, France , d. 9 Apr 1328 (Age ~ 66 years) |
| 5. BEAUMONT, Isabel, b. Abt 1247, England , d. Bef 1 Nov 1334 (Age ~ 87 years) |
| 6. DE BEAUMONT, Louis Bishop Durham, b. 1255, Maine-De-Boixe, Poitou-Charentes, France , d. 24 Sep 1333, Durham, Durham, England, United Kingdom (Age 78 years) |
| 7. DE BEAUMONT, Theobald, b. Abt 1284, Brabant, Lincoln, England |
| 8. BRIENNE, Joanna, d. 1333 |
| 9. DE BRIENNE, Henry, b. Brabant, Lincoln, England , d. 10 Mar 1339–40 |
| 10. DEBEAUMONT, Marie, b. 1261, d. 1339 (Age 78 years) |
| 11. DEBEAUMONT, Jeanne, b. 1263, Maine-de-Boixe, Charente, Poitou-Charentes, France , d. 1310, France (Age 47 years) |
| 12. BISHOP DURHAM, Louis Debeaumont, b. 1270, France , d. 24 Sep 1333, Brantingham, Yorkshire, England (Age 63 years) |
| 13. BEAUMONT, Jean de, d. 1306 |
| 14. DE BEAUMONT, John Viscount, b. 1252, Beaumont Sur Sarthe, Sarthe, Pays de la Loire, France , d. 1306 (Age 54 years) |
| 15. BEAUMONT, Louise de Bishop of Durham, d. 3 Oct 1333 |
| 16. DE BRIENNE, Jeanne Dame de Loué, b. Abt 1260, Normandie, France , d. 1323 (Age ~ 63 years) |
| 17. DEBRIENNE BEAUMONT, Marguerite, b. 1260, d. 9 Apr 1328 (Age 68 years) |
| 18. Marie de Breinne, b. França |
| 19. OF BUHCAN, Henry BEAUMONT Earl, b. Abt 1285, Buchan, Scotland , d. 10 Mar 1339 (Age ~ 54 years) |
| 20. Living |
| 21. Living |
| 22. Living |
| 23. DE BRIENNE, Vicomte Jean I de Beaumont, b. Abt 1253, Champagne-Et-Fontaine, Dordogne, Aquitaine, France , d. 1306 (Age ~ 53 years) |
| 24. DE BRIENNE (BEAUMONT), Isabel, b. Abt 1258, Beaumont-Sur-Sarthe(Le-Vicomte), Sarthe, Mainepays-De-La-Loire, France , d. 1335, Brabant, Lincoln., England (Age ~ 77 years) |
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