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William de Brienne (maid. name of Kemsing & Seale, Sir)

Male 1359 - 1395  (36 years)Deceased


Family Lines: Paternal Lines    |    Maternal Lines

DeMontagu Family

Earliest Ancestor(s)William III, (2nd Baron of Salisbury,) DeMontagu (maid. name 1) & ELIZABETH Baroness De MONTFORT (maid. name 1)
OriginsAbout 1265, Cassington, Oxfordshire, England
Descendants1277 Descendants / 28 Generations.

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Pedigree of William de Brienne (maid. name of Kemsing & Seale, Sir)

(Great Grandfather)


William III, (2nd Baron of Salisbury,) DeMontagu (maid. name 1) (b. 1265, Cassington, Oxfordshire, England)
& ELIZABETH Baroness De MONTFORT (maid. name 1) (b. 1273, Beaudesert, Warwickshire, England)
Sir William ( 3rd Baron Montacute, 1st Earl of Salisbury, and King of Mann) De Montagu (b. 1301, Salisbury, Wiltshire, England)
& Katherine DeGrandison (maid. name 1) (b. 1302, Bisham, Berks., England)
Elizabeth Montagu (maid. name 1) (b. 1327, Donyatt, Somerset, England)
& Guy VIII de Bryan, 1st Baron of Brienne, KG (b. 1311, Of, Walwyns Castle, Pembrokeshire, Wales)
William de Brienne (maid. name of Kemsing & Seale, Sir) (b. 1359, Walwyn Castle, Haverfordwest, Pembrokeshire, Wales)