Genealogy of the Bryan and Martin Families
Henry Percy, 1st Earl of Northumberland
- 1408 
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1. Henry Percy, 1st Earl of Northumberland (son of Henry Percy, 3rd Baron Percy and Mary Plantagenet); died in 1408. Family/Spouse: Margaret Neville. Margaret (daughter of Ralph de Neville, 2nd Baron Neville and Alice d'Audley) died in cir 1415. [Group Sheet] [Family Chart]
Children:- Henry "Hotspur" Percy died in 1403.
2. Henry Percy, 3rd Baron Percy (son of Henry Percy, 2nd Baron Percy and Idonia Clifford); died in cir 1270. Henry + Mary Plantagenet. Mary (daughter of Henry Plantagenet, Earl of Lancaster and Maud Chaworth) died in cir 1370. [Group Sheet] [Family Chart]
3. Mary Plantagenet (daughter of Henry Plantagenet, Earl of Lancaster and Maud Chaworth); died in cir 1370. Children:
- 1. Henry Percy, 1st Earl of Northumberland died in 1408.
Generation: 3
4. Henry Percy, 2nd Baron Percy (son of Henry Percy, 1st Baron Percy and Eleanor Berkeley); died in 1352. Henry + Idonia Clifford. Idonia (daughter of Robert de Clifford, 1st Baron de Clifford and Maud de Clare) died in cir 1360. [Group Sheet] [Family Chart]
5. Idonia Clifford (daughter of Robert de Clifford, 1st Baron de Clifford and Maud de Clare); died in cir 1360. Children:
- Maud Percy died in cir 1395.
- 2. Henry Percy, 3rd Baron Percy died in cir 1270.
6. Henry Plantagenet, Earl of Lancaster was born in cir 1281 (son of Edmund Plantagenet, Earl of Lancaster and Blanche d'Artois); died in 1345. Henry + Maud Chaworth. Maud (daughter of Patrick Chaworth and Isabel Beauchamp) was born in cir 1285. [Group Sheet] [Family Chart]
7. Maud Chaworth was born in cir 1285 (daughter of Patrick Chaworth and Isabel Beauchamp). Children:
- Eleanor Plantagenet, of Lancaster was born in cir 1310.
- Maud Plantagenet, of Lancaster was born in cir 1315.
- Joan Plantagenet died in 1349.
- 3. Mary Plantagenet died in cir 1370.
Generation: 4
8. Henry Percy, 1st Baron Percy died in cir 1320. Henry + Eleanor Berkeley. Eleanor died in cir 1320. [Group Sheet] [Family Chart]
9. Eleanor Berkeley died in cir 1320. Children:
- 4. Henry Percy, 2nd Baron Percy died in 1352.
10. Robert de Clifford, 1st Baron de Clifford died in cir 1330. Robert + Maud de Clare. Maud died in cir 1330. [Group Sheet] [Family Chart]
11. Maud de Clare died in cir 1330. Children:
- 5. Idonia Clifford died in cir 1360.
12. Edmund Plantagenet, Earl of Lancaster was born in 1245 (son of Henry III, King of England and Eleanor, of Provence); died in 1296. Edmund + Blanche d'Artois. Blanche died in 1302. [Group Sheet] [Family Chart]
13. Blanche d'Artois died in 1302. Children:
- 6. Henry Plantagenet, Earl of Lancaster was born in cir 1281; died in 1345.
14. Patrick Chaworth was born in cir 1260. Patrick + Isabel Beauchamp. Isabel was born in cir 1260. [Group Sheet] [Family Chart]
15. Isabel Beauchamp was born in cir 1260. Children:
- 7. Maud Chaworth was born in cir 1285.
Generation: 5
24. Henry III, King of England was born in 1207 (son of John, King of England and Isabel de Valence); died in 1272. married Eleanor, of Provence on 14 Jan 1236. (daughter of Ramon Berenguer IV, Count of Provence and Petronila, of Aragon) died on 25 Jun 1291 in Amesbury Abbey. [Group Sheet] [Family Chart]
25. Eleanor, of Provence (daughter of Ramon Berenguer IV, Count of Provence and Petronila, of Aragon); died on 25 Jun 1291 in Amesbury Abbey. Children:
- Edward I, King of England was born on 17 Jun 1239 in Westminster, London, England; died on 7 Jul 1307 in Burgh-on-Sands, near Carlisle, England.
- 12. Edmund Plantagenet, Earl of Lancaster was born in 1245; died in 1296.
Generation: 6
48. John, King of England was born in 1169 (son of Henry II, King of England and Eleanor, of Aquitaine); died in 1216. + Isabel de Valence. Isabel (daughter of Aymer de Valence and Alice Capet) was born in cir 1210. [Group Sheet] [Family Chart]
49. Isabel de Valence was born in cir 1210 (daughter of Aymer de Valence and Alice Capet). Children:
- 24. Henry III, King of England was born in 1207; died in 1272.
50. Ramon Berenguer IV, Count of Provence (son of Alfonso, Count of Provence and Douce de Provence); died in cir 1255. + Petronila, of Aragon. (daughter of Ramiro II, King of Aragon and Agnes, of Aquitaine) died in cir 1255. [Group Sheet] [Family Chart]
51. Petronila, of Aragon (daughter of Ramiro II, King of Aragon and Agnes, of Aquitaine); died in cir 1255. Children:
- 25. Eleanor, of Provence died on 25 Jun 1291 in Amesbury Abbey.