THE DESCENDANTS OF JOHN OF GAUNT
Main sources : Elton, G.R. England under the Tudors. Methuen, 1963.
               Weir, Alison. Britain's Royal Families, Pimlico, 2002.
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                                                          John of Gaunt
                                                             married:
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 [1] Blanche of Lancaster                                                                [2] Constance of Castile                                                                                                                              [3] Katherine Swynford
              |                                                                                     |                                                                                                                                                       |
    _____________________________________________________________________                          Katherine======Henry of Castile
    |                            |                                      |                                     |                                                                                                                        _________________________________________
Henry IV                     Philippa==John of Portugal             Eilizabeth===John Holland                                                                                                                                          |                                       |                                             
[HOUSE OF LANCASTER]         [HOUSE OF PORTUGAL]                                 Earl of Huntingdon     HOUSE OF CASTILE                                                                  
                                 																                                                                  John Beaufort======?               Edmund Beaufort=========?
     |                               |                                         |                                                                                                              |                                   Earl of Somerset                   2nd Duke of Somerset

Henry V                           Manuel                                 John II Holland=======Anne Montague                                                                                                                                     |                                     |
                                                                         Earl of Huntingdon                                                                                           Sir Thomas Savile====Margaret Pilkington
     |                                                                                     |                                                                                                                                                  Margaret=====Edmund Tudor
                                                                                                                                                                                             
Henry VI d. 1471                                                                       Anne Holland=====John Neville d. 1461                                                                         |
                                                                                                                                                                                                                                                      |                                |
     |                                                                                               |                                                                                        Sir John Savile====Alice Gascoigne

Edward Plantagenet dsp 1481                                                                     Ralph Neville                                                                                                  |                                  Henry VII=====Elizabeth of York    Anne Beaufort <--see left
                                                                                                Earl of Westmorland=======Margaret Isabel Booth     Sir William Paston Kt.====Anne Beaufort
                                                                                                                                                           d. 1490                                      John VII Savile====Jane Harrington                  |
                                                                                                                      |                                                     |                                              |of Brierley
                                                                                                                                                                                                                                                        HENRY VIII
                                                                                                                      |                                               _____________________________
                                                                                                                                                                      |                           |                        |
                                                                                                                Sir Ralph Neville d.v.p.====================Mary Paston of Paston, Norfolk   Elizabeth Paston===1===SirJohn VIII Savile                HOUSE OF TUDOR
                                                                                                                                                               sisters to William Paston* of the Paston letters     of Thornhill, Yorks.
                                                                                                                                            |
                                                                                                                     
                                                                                                                              Neville Earls of Westmorland