Isabella Mortimer
- 12921. Isabella Mortimer (daughter of Roger De Mortimer and Maud De Braose); died 1292.
2. 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]
3. Maud De Braose was born 1224 (daughter of William De Braose and Eva Marshal); died 1301. Children:
- Edmund De Mortimer was born 1251; died 17 Jul 1304.
- Ralph Mortimer died 1276.
- 1. Isabella Mortimer died 1292.
- Margaret Mortimer died 1297.
- Roger Mortimer died 1326.
- Geoffrey Mortimer
- William Mortimer
Generation: 3
4. 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]
5. Gwladus Ferch Llywelyn was born 1206 (daughter of Llywelyn Ap Iorwerth and Joan); died 1251. Children:
- 2. Roger De Mortimer was born 1231; died 30 Oct 1282; was buried Wigmore Abbey.
- Hugh De Mortimer
- John De Mortimer
- Peter De Mortimer
6. 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]
7. Eva Marshal was born 1203, Pembrokeshire, Wales (daughter of William Marshal and Isabel De Clare); died 1246. Children:
- 3. 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.
Generation: 4
8. Roger De Mortimer was born Bef 1153 (son of Hugh De Mortimer and Matilda Le Meschin); died Bef 8 Jul 1214. Roger married Isabel De Ferrers Bef 1196. Isabel (daughter of Walchelin De Ferriers) died Bef 29 Apr 1252. [Group Sheet]
9. Isabel De Ferrers (daughter of Walchelin De Ferriers); died Bef 29 Apr 1252. Children:
- 4. Ralph De Mortimer was born Bef 1198; died Bef 2 Oct 1246.
- Joane Mortimer was born Abt 1194, England; died 1268.
- Hugh De Mortimer died 1227.
- Philip Mortimer
10. Llywelyn Ap Iorwerth was born 1173, Dolwyddelan, Caernarvonshire, Wales (son of Iorwerth Drwyndwn); died 11 Apr 1240, Cistercian, Wales; was buried , Aberconwy, Wales. Llywelyn married Joan Abt 1204. (daughter of John Lackland Plantagenet and Isabel De Taillefer) was born Abt 1191; died 2 Feb 1237. [Group Sheet]
11. Joan was born Abt 1191 (daughter of John Lackland Plantagenet and Isabel De Taillefer); died 2 Feb 1237. Children:
- Helen Ferch Llywelyn was born Abt 1206; died 1253.
- 5. Gwladus Ferch Llywelyn was born 1206; died 1251.
- Dafdd Ap Llywelyn was born Abt 1215, England; died 25 Feb 1246.
- Margaret Ap Llywelyn
12. Reginald De Braose was born 1178 (son of William De Braose and Maud De St. Valéry); died Jun 1228, Brecon, Breconshire, Wales; was buried , Brecon, Breconshire, Wales. Reginald — Grecia De Briwere. Grecia was born 1186, Devon, England. [Group Sheet]
13. Grecia De Briwere was born 1186, Devon, England. Children:
- 6. William De Braose was born Abt 1197, Brecon, Breconshire, Wales; died 2 May 1230.
- Matilda De Braose
14. William Marshal was born 1146 (son of John Marshal and Sibyl of Salisbury); died 14 May 1219; was buried , London, England. William — Isabel De Clare. Isabel (daughter of Richard De Clare and Aoife of Leinster) was born 1172, Ireland; died 1220; was buried , Monmouthshire, Wales. [Group Sheet]
15. Isabel De Clare was born 1172, Ireland (daughter of Richard De Clare and Aoife of Leinster); died 1220; was buried , Monmouthshire, Wales. Children:
- 7. Eva Marshal was born 1203, Pembrokeshire, Wales; died 1246.
- William Marshal was born 1190; died 6 Apr 1231.
- Richard Marshal was born 1191; died 16 Apr 1234.
- Mehelt Marshal was born 1194; died 27 Mar 1248.
- Gilbert Marshal was born 1197; died 27 Jun 1241.
- Walter Marshal was born 1199; died Nov 1245.
- Isabel Marshal was born 9 Oct 1200; died 17 Jan 1240.
- Sibyl Marshal was born 1201; died 27 Apr 1245.
- Anselm Marshal was born 1198; died 22 Dec 1245.
- Joan Marshal was born 1202; died 1234.