Family: 1st Duke of Somerset John Beaufort / Margaret de Beauchamp (F4729)
m. Between 1439 and 1442
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Male
1st Duke of Somerset John Beaufort
Birth 25 Mar 1404 Westminster, London, England 
Death 27 May 1444 Wimborne Minster, Dorset, England Burial 1444 Wimborne Minster, Dorset, England Marriage Between 1439 and 1442 [1] Westminster, London, England [1] Father 1st Earl of Somerset John Beaufort | F5076 Group Sheet Mother Margaret Holland | F5076 Group Sheet
Female
Margaret de Beauchamp
Birth 1410 Bletsoe, Bedfordshire, England Death 8 Aug 1482 Wimborne Minster, Dorset, England Burial 1482 Wimborne Minster, Dorset, England Other Spouse Oliver St John | F4209 Marriage Father John de Beauchamp | F4210 Group Sheet Mother Edith Stourton | F4210 Group Sheet
Female
Lady Margaret Beaufort
Birth 31 May 1443 Bletsoe, Bedfordshire, England Death 29 Jun 1509 Westminster, London, England Burial 1509 Westminster, London, England Spouse Earl of Richmond Edmund Tudor | F4753 Marriage 1 Nov 1455 Bletsoe, Bedfordshire, England Spouse Henry de Stafford | F4730 Marriage Abt 1462 Maxstoke, Warwickshire, England
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Sources - [S724] thePeerage.com, (Name: thePeerage.com; Location: http://thepeerage.com;), Beaufort John #101976 http://thepeerage.com/p10198.htm#i101976.
- [S724] thePeerage.com, (Name: thePeerage.com; Location: http://thepeerage.com;), Beaufort John #101976 http://thepeerage.com/p10198.htm#i101976.