Jan Of Avesnes Count Of Hainaut
- Yes, date unknown(
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- 1 Jan Of Avesnes Count Of Hainaut [1] d. Yes, date unknown
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- 2 Willem III Count Of Hainaut [1.1] d. 7 Jun 1337
- Jeanne De Valois d. Yes, date unknown
- 3 Philippa Of Hainault [1.1.1] b. 1314 d. 14 Aug 1369
- Edward Iii King Of England b. 13 Nov 1312 d. 21 Jun 1377
- 4 Edward The Black Prince [1.1.1.1] b. 1330 d. 1376
- Joan Of Kent b. 1328 d. 1385
- 5 Richard II King Of England [1.1.1.1.1] b. 1367 d. 1399
- 5 Richard II King Of England [1.1.1.1.1]
- 4 John Of Gaunt Duke Of Lancaster [1.1.1.2] b. Mar 1340 d. 3 Feb 1399
- Constanza Of Castile d. 1394
- 5 Catherine _____ [1.1.1.2.1] b. 1372 d. 1418
- 5 Catherine _____ [1.1.1.2.1]
- Blanche Of Lancaster b. 1341 d. 1369
- 5 Philippa _____ [1.1.1.2.2] b. 1360 d. 1415
- 5 Henry IV King Of England [1.1.1.2.3] b. Apr 1366 d. 20 Mar 1413
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- 5 Philippa _____ [1.1.1.2.2]
- Catherine Swynford b. 1350 d. 10 May 1403
- 5 John, Marquess of Dorset Beaufort [1.1.1.2.4] b. 1373 d. 16 Mar 1410
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- 5 Joan Beaufort [1.1.1.2.5] d. Yes, date unknown
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- 5 John, Marquess of Dorset Beaufort [1.1.1.2.4]
- 4 Edmund Of Langley Duke Of York [1.1.1.3] b. 1341 d. 1402
- Isabel Of Castile d. 1392
- 5 Richard Earl Of Cambridge [1.1.1.3.1] d. 1415
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- 5 Richard Earl Of Cambridge [1.1.1.3.1]
- + Joan Holland d. 1434
- 4 Lionel Of Antwerp Duke Of Clarence [1.1.1.4] d. 1368
- Elizabeth De Burgh d. 1362
- 5 Philippa Plantagenet [1.1.1.4.1] d. 1382
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- 5 Philippa Plantagenet [1.1.1.4.1]
- + Violante Visconti d. 1404
- 4 Edward The Black Prince [1.1.1.1]
- 3 Willem IV Count Of Hainaut [1.1.2] d. 1345
- 3 Philippa Of Hainault [1.1.1]
- 2 Willem III Count Of Hainaut [1.1]