Descendants of 1st Duke of Lancaster John of GAUNT
1340 - 1399 (58 years)Father: III EDWARD (13 Nov 1312 Windsor, Berkshire, England - 21 Jun 1377 Richmond, London, England)
Mother: Queen of England Philippa of HAINAULT (Between 24 Jun 1310 and 1315 - 15 Aug 1369)
1st Duke of Lancaster John of GAUNT (6 Mar 1339/40 Ghent, Belgium - 3 Feb 1398/99)
Duchess of Lancaster Katherine SWYNFORD (25 Nov 1350 - 10 May 1403)
   └─ Countess of Westmorland Joan BEAUFORT (Abt 1379 - 13 Nov 1440)
    1st Earl of Westmorland, 4th Baron Neville de Raby Ralph NEVILLE (Abt 1364 - 21 Oct 1425)
       └─ Countess of Northumberland Eleanor NEVILLE (Abt 1407 Raby, Durham, England -
        1472 St Albans, Hertfordshire, England)
        1472 St Albans, Hertfordshire, England)
        Henry PERCY (3 Feb 1394 Alnwick, Northumberland, England -
        22 May 1455 St Albans, Hertfordshire, England)(m. Oct 1414 Alnwick, Northumberland, England)
        22 May 1455 St Albans, Hertfordshire, England)(m. Oct 1414 Alnwick, Northumberland, England)
           └─ 3rd Earl of Northumberland Henry PERCY (25 Jul 1421 Leconfield, Yorkshire, England -
            29 Mar 1461 Towton, Yorkshire, England)
            29 Mar 1461 Towton, Yorkshire, England)
            Eleanor POYNINGS (1422 Gloucestershire, England - Feb 1484 Durham, England)(m. 25 Jun 1435)
               ├─ 4th Earl of Northumberland Henry PERCY (13 Jan 1449 Leconfield, Yorkshire, England -
               │ 28 Apr 1489 Topcliffe, Thirsk, England) =>
               │ 28 Apr 1489 Topcliffe, Thirsk, England) =>
               │ + Maud HERBERT (1448 Ragland, Monmouthshire, England -
               │ 27 Jul 1485 Beverley, Yorkshire, England)(m. 1473 Windsor, Berkshire, England)
               │ 27 Jul 1485 Beverley, Yorkshire, England)(m. 1473 Windsor, Berkshire, England)
               └─ Margaret PERCY (Yorkshire, England;1450 - 1486) =>
                + William GASCOIGNE (Yorkshire, England;1445 - 4 Mar 1486/87)(m. 1474 Yorkshire, England)