1st Earl of March Roger Mortimer
1287 - 1330 (43 years)1. 1st Earl of March Roger Mortimer was born 25 Apr 1287, Thornbury, Herefordshire, England (son of Edmund De Mortimer and Margaret De Fiennes); died 29 Nov 1330, Warwickshire, England.
2. Edmund De Mortimer was born 1251 (son of Roger De Mortimer and Maud De Braose); died 17 Jul 1304. Edmund married Margaret De Fiennes Sep 1285. Margaret (daughter of William De Fiennes, II and Blanche De Brienne) was born Aft 1269; died 7 Feb 1333. [Group Sheet]
3. Margaret De Fiennes was born Aft 1269 (daughter of William De Fiennes, II and Blanche De Brienne); died 7 Feb 1333. Children:
- Isolde De Mortimer was born Abt 1271, Wigmore, Herefordshire, England; died 1328, Kidderminster, Worcestershire, England.
- 1. Roger Mortimer was born 25 Apr 1287, Thornbury, Herefordshire, England; died 29 Nov 1330, Warwickshire, England.
- Maude Mortimer was born Abt 1286; died Bef 1316.
- Edmund De Mortimer
Generation: 3
4. Roger De Mortimer was born 1231 (son of Ralph De Mortimer and Gwladus Ferch Llywelyn); died 30 Oct 1282; was buried Wigmore Abbey. Roger married Maud De Braose 1247. Maud (daughter of William De Braose and Eva Marshal) was born 1224; died 1301. [Group Sheet]
5. Maud De Braose was born 1224 (daughter of William De Braose and Eva Marshal); died 1301. Children:
- 2. Edmund De Mortimer was born 1251; died 17 Jul 1304.
- Ralph Mortimer died 1276.
- Isabella Mortimer died 1292.
- Margaret Mortimer died 1297.
- Roger Mortimer died 1326.
- Geoffrey Mortimer
- William Mortimer
6. William De Fiennes, II was born 1250, Aylesbury Vale, Buckinghamshire, England (son of Enguerrand De Fiennes, II and Isabelle De Conde); died 11 Jul 1302. William — Blanche De Brienne. Blanche (daughter of Jean De Brienne and Jeanne Dame De Chateaudun) was born Abt 1252, France; died Abt 1302, Loupeland, Maine, France. [Group Sheet]
7. Blanche De Brienne was born Abt 1252, France (daughter of Jean De Brienne and Jeanne Dame De Chateaudun); died Abt 1302, Loupeland, Maine, France. Children:
- 3. Margaret De Fiennes was born Aft 1269; died 7 Feb 1333.
- Jean De Fiennes
- Seigneur De Fiennes
- Joan De Fiennes
Generation: 4
8. Ralph De Mortimer was born Bef 1198 (son of Roger De Mortimer and Isabel De Ferrers); died Bef 2 Oct 1246. Ralph married Gwladus Ferch Llywelyn 1230. Gwladus (daughter of Llywelyn Ap Iorwerth and Joan) was born 1206; died 1251. [Group Sheet]
9. Gwladus Ferch Llywelyn was born 1206 (daughter of Llywelyn Ap Iorwerth and Joan); died 1251. Children:
- 4. Roger De Mortimer was born 1231; died 30 Oct 1282; was buried Wigmore Abbey.
- Hugh De Mortimer
- John De Mortimer
- Peter De Mortimer
10. William De Braose was born Abt 1197, Brecon, Breconshire, Wales (son of Reginald De Braose and Grecia De Briwere); died 2 May 1230. William married Eva Marshal Bef 1221. Eva (daughter of William Marshal and Isabel De Clare) was born 1203, Pembrokeshire, Wales; died 1246. [Group Sheet]
11. Eva Marshal was born 1203, Pembrokeshire, Wales (daughter of William Marshal and Isabel De Clare); died 1246. Children:
- 5. Maud De Braose was born 1224; died 1301.
- Isabella De Braose was born 1222.
- Eve De Braose was born 1227; died 28 Jul 1255.
- Eleanor De Braose was born 1228; died 1251.
12. Enguerrand De Fiennes, II Enguerrand — Isabelle De Conde. [Group Sheet]
13. Isabelle De Conde Children:
- 6. William De Fiennes, II was born 1250, Aylesbury Vale, Buckinghamshire, England; died 11 Jul 1302.
14. Jean De Brienne Jean — Jeanne Dame De Chateaudun. [Group Sheet]
15. Jeanne Dame De Chateaudun Children:
- 7. Blanche De Brienne was born Abt 1252, France; died Abt 1302, Loupeland, Maine, France.