Katherine (of March) De Mortimer
- Yes, date unknown
1. Katherine (of March) De Mortimer (daughter of Roger (1st Earl of March) De Mortimer and Joan De Geneville); and died. Katherine married Thomas (11Th Earl of Warwick) De Beauchamp about 1328. Thomas (son of Guy (10th Earl of Warwick) De Beauchamp and Alice De Toeni) was born on 14 Feb 1312-1313; died on 13 Nov 1369. [Group Sheet] [Family Chart]
Children:- Isabel Beauchamp died on 29 Sep 1416.
- Thomas (4th\12Th Earl of Warwick) De Beauchamp was born before 16 Mar 1338; died in 1401.
- William (Lord Abergavenny) Beauchamp was born after 1344; died in 1419.
- Philippe Beauchamp and died.
- Maud De Beauchamp and died.
- Elizabeth (of Warwick) Beauchamp and died.
- Alice Beauchamp died on 26 Oct 1383.
- Sir Guy De Beauchamp was born in Jul 1355; died on 28 Apr 1360.
2. Roger (1st Earl of March) De Mortimer was born in 1287 (son of Edmund (1st Lord Mortimer) De Mortimer and Margaret De Fenles); died in 1330 in Executed. Roger married Joan De Geneville before 6 Oct 1306. Joan (daughter of Piers De Geneville and Joan of La Marche & Angoul?me) died in 1356. [Group Sheet] [Family Chart]
3. Joan De Geneville (daughter of Piers De Geneville and Joan of La Marche & Angoul?me); died in 1356. Children:
- Edmund (Sir) Mortimer died in 1331.
- 1. Katherine (of March) De Mortimer and died.
- Catherine (of March) De Mortimer and died.
- Margaret (of March) De Mortimer died on 5 May 1337.
- Agnes (of March) De Mortimer died on 21 Jul 1368.
- Maud (of March) De Mortimer and died.
- Beatrice (of March) De Mortimer died on 16 Oct 1383.
- Joane (of March) Mortimer and died.
Generation: 3
4. Edmund (1st Lord Mortimer) De Mortimer (son of Roger (Lord Wigmore) Mortimer and Maud De Braose); died in 1304. Edmund + Margaret De Fenles. Margaret and died. [Group Sheet] [Family Chart]
5. Margaret De Fenles and died. Children:
- 2. Roger (1st Earl of March) De Mortimer was born in 1287; died in 1330 in Executed.
- Maud De Mortimer died on 17 Dec 1312.
- Isolt \Iseude De Mortimer and died.
6. Piers De Geneville (son of Geoffrey (Lord Geneville) De Geneville and Maud De Lacy); died in 1292. Piers + Joan of La Marche & Angoul?me. Joan (daughter of Hugue XII Count La Marche & Angoul?me and Jehanne De Fougeres) and died. [Group Sheet] [Family Chart]
7. Joan of La Marche & Angoul?me (daughter of Hugue XII Count La Marche & Angoul?me and Jehanne De Fougeres); and died. Children:
- 3. Joan De Geneville died in 1356.
Generation: 4
8. Roger (Lord Wigmore) Mortimer (son of Ralph Mortimer and Gwladus Ddu "The Dark" Ap Llywelyn); died in 1282. Roger + Maud De Braose. Maud (daughter of William (Lord Abergavenny) De Braose and Eva (of Pembroke) Marshal) was born about 1258; died in 1311. [Group Sheet] [Family Chart]
9. Maud De Braose was born about 1258 (daughter of William (Lord Abergavenny) De Braose and Eva (of Pembroke) Marshal); died in 1311. Children:
- Isabella Mortimer and died.
- Margaret Mortimer and died.
- 4. Edmund (1st Lord Mortimer) De Mortimer died in 1304.
12. Geoffrey (Lord Geneville) De Geneville died on 21 Oct 1314. Geoffrey married Maud De Lacy on 8 Aug 1252. Maud (daughter of Gilbert De Lacy and Isabel De Bigod) died on 11 Apr 1304. [Group Sheet] [Family Chart]
13. Maud De Lacy (daughter of Gilbert De Lacy and Isabel De Bigod); died on 11 Apr 1304. Children:
- 6. Piers De Geneville died in 1292.
- Joan De Geneville and died.
14. Hugue XII Count La Marche & Angoul?me and died. Hugue + Jehanne De Fougeres. Jehanne (daughter of Raoul Seigneur De Fougeres) and died. [Group Sheet] [Family Chart]
15. Jehanne De Fougeres (daughter of Raoul Seigneur De Fougeres); and died. Children:
- 7. Joan of La Marche & Angoul?me and died.