Family: Prince of England and Duke of Lancaster John of Gaunt / Catherine Roet/Swinford (F726)

• Father | Male Prince of England and Duke of Lancaster John of Gaunt

  
  

  Born	Mar 1340	St. Bavon's Abbey, Ghent, Flanders, Belgium
  Died	3 Feb 1398-9	Ely Place, London, London, England
  Buried
  Married	13 Jan 1396-7
  Other Spouse	Marie De Ste. Hillaire | F745
  Married	Not Married
  Other Spouse	Blanche Plantagenet | F729
  Married	19 May 1359	Reading, Berkshire, England
  Other Spouse	Constance/Constantina | F728
  Married	Sep 1371
  Father	Edward, III | F727 Group Sheet
  Mother	Philippa | F727 Group Sheet

  
  

  Mother | Female Catherine Roet/Swinford

  
  

  Born	Abt. 1350	Hainault, Belguim, Lincoln, Lincolnshire, England
  Died	10 May 1403
  Buried		Cathedral Church, Lincoln, Lincolnshire, England
  Other Spouse	Hugh/Otho Swinford/Swynford | F739
  Married	Abt. 1367
  Father	Payne/Paon Roet/Roelt | F746 Group Sheet
  Mother

  
  

  Child 1 | Male John Beaufort

  
  

  Born	Abt. 1373	Beaufort Castle, Anjou, France
  Died	16 Mar 1410
  Buried
  Spouse	Margaret Holland | F740
  Married	Bef 28 Sep 1397

  
  

  Child 2 | Female Blanche Beaufort

  
  

  Born	Abt. 1373	Beaufort Castle, Anjou, France
  Died	Bef 1397
  Buried
  Spouse	Thomas Moreaux | F743
  Married	Bef. 31 Mar 1380

  
  

  Child 3 | Female Joan Beaufort

  
  

  Born	Abt. 1375	Beaufort Castle, Anjou, France
  Died	13 Nov 1440
  Buried
  Spouse	Robert Ferrers | F741
  Married
  Spouse	Ralph Neville | F744
  Married	Bef. 20 Feb 1397

  
  

  Child 4 | Male + Henry Beaufort

  
  

  Born	Abt. 1376/7	Beaufort Castle, Anjou, France
  Died	10 Apr 1447	Wolvesey Palace, Winchester, Hamps, England
  Buried		Winchester Cathederal, Winchester, Hamps, England
  Spouse	Alice Fitzalan | F713
  Married	Not Married

  
  

  Child 5 | Male Thomas Beaufort

  
  

  Born	Abt Jan 1377	Beaufort Castle, Anjou, France
  Died	Dec 1426
  Buried
  Spouse	Margaret Neville | F742
  Married

  
  

• Notes

  After the death of Catherine's first husband, Hugh Swinford, she became governess to the children of John of Gaunt, later to become his mistress and concubine, at which time, she bore him four children. After the death of John of Gaunt's second wife, Constance, they were married (1396/7) and later that same year, their children were legitimized and their marriage was confirmed by Parliament which sat between 22 Jan and 12 Feb 1936/7 and by the Pope in September 1396 and by King Richard II in Feb 1397. Daughter Blanche Beaufort, is the daughter of John of Gaunt and his mistress, Maire de Ste. Hiliare. She was sealed to John and Catherine