Joscelin de Louvain, +1180; m.England after 1154 Agnes de Percy; They had issue which inherited all the Percy estates and took the surname Percy:

• A1. Henry, +ca 1198; m.Isabel (+after 1230) dau.of Adam de Brus, of Skleton
  • B1. William, +shortly before 28.7.1245; 1m: Joan (+ca 1233) dau.of Sir William Briwere; 2m: Ellen (+ca 1281) dau.of Ingram de Baliol
    • C1. [1m.] Joan; m.N de Farington
    • C2. [1m.] Agnes; m.Eustace de Baliol
    • C3. [1m.] Alice; m.Sir Ralph Bermingham
    • C4. [1m.] Anastasia; m.Ranulph N
    • C5. [2m.] Sir Henry, *ca 1235, +Sallay Abbey 29.10.1272, bur Craven; m.York 8.9.1268 Eleanor de Warenne (+after 1282)
      • D1. John, *1270, +1285/93
      • D2. Henry, 1st Lord Percy, Regent of England (1298), *Petworth 25.3.1273, +Alnwick Castle 2.10.1314, bur Fountaine Abbey; m.Lady Eleanor FitzAlan (+VII.1328)
        • E1. Henry, 2nd Lord Percy, *Alnwick Castle 6.2.1301, +Warkworth 27.2.1352; m.1314 Idonea de Clifford (+24.8.1365, bur Beverley Minster), dau.of Robert de Clifford, 1st Baron, by Maud de Clare
          • F1. Henry, 3rd Lord Percy, *1320, +18.6.1368, bur Alnwick; 1m: Tutbury Castle IX.1334 Mary of Lancaster (*ca 1321, +1.9.1362); 2m: Witham V.1365 Joan de Orreby (+29.7.1369), dau.of John, 2nd lord Orreby
            • G1. [1m.] Henry, 1st Earl of Northumberland, Marshal and Constable of England, *Alnwick Castle 10.11.1341, +k.a.Bramham Moore 19.2.1408, bur York Minster; 1m: 12.7.1358 Margaret de Nevill (+12.5.1372); 2m: 15.12.1381 Maud de Lucy (+Prudhoe 18.12.1398), dau.of Anthony, Lord Lucy; for their descendants see HERE
            • G2. [1m.] Thomas, Earl of Worcester, *1343, +Shrewsbury 21.7.1403
              • H1. [illegitimate] Sir Thomas Percy, living 1418
            • G3. [2m.] Mary, *1366/67, +1394; m.before 12.6.1382 John, Lord Ros (+1393)
          • F2. Thomas, Bp of Norwich, +1369
          • F3. Roger
          • F4. Robert
          • F5. William
          • F6. Margaret, +Gyng 2.9.1375; 1m: 1340 Sir Robert de Umfraville (+ca 1347); 2m: before 25.5.1368 William, Lord Ferrers of Groby (*Leicester 28.2.1333, +Stebbing 8.1.1371)
          • F7. Isabel, +by 25.5.1368; m.before 1327 William, 1st Baron Aton (+by III.1389)
          • F8. Maud, +by 18.2.1379, bur Durham; m.1364 John Nevill, 3rd Lord Nevill of Raby (*1328 +17.10.1388)
          • F9. Alianora, +by 1368; m.John FitzWalter, 3rd Earl (+18.10.1361, bur Dunmow Priory)
        • E2. William
    • C6. [2m.] Ingram of Dalton Percy, +shortly before 24.10.1262
    • C7. [2m.] William of Dalton Percy; m.Eva N
    • C8. [2m.] Walter
    • C9. [2m.] Joscelin
    • C10. [2m.] Alice
  • B2. Henry of Heyshott
• A2. Richard, +1244; 1m: Alice N; 2m: Agnes, dau.of Geoffrey de Neville
  • B1. [illegitimate] Henry of Settle, living 1267
    • C1. Alexander
• A3. Joscelin, +ca 1239
• A4. Radulf
• A5. Eleanor
• A6. Maud; m.before 1204 John de Daiville
• A7. Lucy, a nun at Stixwould

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Last updated 21st September 2004