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Katherine de Roét Plantagenet a.k.a. Swynford
1st Spouse: Hugh Otto Swynford
2nd Spouse: John Plantagenet, of Ghent

Philippa de Roét
Spouse: Geoffrey Chaucer

Isabel 'Elizabeth' de Roét
Canoness of the convent of Saint Waltrude Collegiate Church at Mons, Hainaut

Walter de Roét

John Beaufort,
1st Earl of Somerset'
'1st Marquess of Somerset'
'1st Marquess of Dorset'
Knight of the Garter
Spouse: Margaret Holland

Henry Beaufort
'Bishop of Lincoln'
'Cardinal'
Paramour Mistress: Alice FitzAlan

Thomas Beaufort
'Duke of Exeter'
Spouse: Margaret Neville, of Hornby

Joan Beaufort
'Countess of Westmoreland'
1st Spouse: Robert Ferrers
'5th Baron Boteler, of Wem'
2nd Spouse: Ralph de Neville
'1st Earl of Westmorland'

Henry Beaufort
'2nd Earl of Somerset'
(died age 17 years, unmarried)

 

John Beaufort
'Duke of Somerset'
Spouse: Margaret Beauchamp, of Bletso

 

Joan Beaufort
'Queen of Scotland'
1st Spouse: James I, Stewart, of Scotland
2nd Spouse: James Stewart, 'Black Knight of Lorne'

Thomas Beaufort
'Count of Perche'
(died unmarried)

Edmund Beaufort
'2nd Duke of Somerset' (title extinct)
'1st Duke of Somerset' (2nd Creation)
'4th Earl of Soemrset'
'1st Earl of Dorset'
'1st Marquess of Dorset'
styled, '1st Count of Mortain'
Spouse: Eleanor Beauchamp
'Baroness de Ros'
'Duchess of Somerset'


 

Margaret Beaufort
'Countess of Devon'
Spouse: Thomas de Courtenay, '13th Earl of Devon'

Edmund Beaufort
'4th Duke of Somerset'

Thomas Beaufort

Anne Beaufort
Spouse: Sir William Paston

Elizabeth Beaufort
Spouse: Sir Henry Fitz Lewis

Henry Beaufort
'3rd Duke of Somerset'
'5th Earl of Somerset'
'2nd Marquess of Dorset'
'2nd Earl of Dorset'
Paramour Mistress: Joan Hill

John Beaufort
'Earl of Dorset'
(unmarried)

Joan Beaufort
1st Spouse: Robert St. Lawrence
'3rd Baron Howth'
2nd Spouse: Sir Richard Fry

Margaret Beaufort
'Countess of Stafford'
1st Spouse: Humphrey
'Earl of Stafford
2nd Spouse: Sir Richard Darell, of Littlecote, Wiltshire

Eleanor Beaufort
'Countess of Ormond'
1st Spouse: James Butler, '5th Earl of Ormond'
2nd Spouse: Sir Robert Spencer

Mary Beaufort

Charles Somerset
'1st Earl of Worceter'
'1st Baron Herbert'

(Legitimized)
1st Spouse: Elizabeth Herbert, '3rd Baroness Herbert'
2nd Spouse: Elizabeth West
3rd Spouse: Eleanor Sutton

Elizabeth Herbert

Henry Somerset
'2nd Earl of Worceter'
1st Spouse: Margaret Courtenay, Baroness Herbert

Elizabeth Somerset
1st Spouse: Sir John Savage
2nd Spouse: Sir William Brereton

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