Commentary
Cawley: "A charter of King Henry I confirmed the foundation and possessions of Bridlington priory, including the donation of "ecclesiam de Wicheforda" made by "Willielmus de Moion et uxor eius Agnes". The parentage of Agnes is not known. Maxwell-Lyte suggests "with some confidence" that she was the daughter of Walter de Gant & his wife. He bases this on the possession by Gilbert de Gand of Whichford, Warwickshire (then in Northamptonshire) in 1086, Gilbert’s son Walter’s foundation of the priory at Bridlington, and the donation by William de Mohun and Agnes his wife of the church of Whichford to Bridlington."
Family
ClaimDetailEvidence
FatherWalter de Gaunt (e1083-1139) [S756] [S925]
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MotherMathilde de Penthièvre (e1084-) [S756] [S925]
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SpouseWilliam de Mohun II, Earl of Somerset (e1103-<1156) 
Child +William de Mohun III (e1128-1176) [S756] [S3175]
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Attributes
ClaimDetailEvidence
GenderFemale
NameAgnes de Gaunt [S756]
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NameAgnes [S925]
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FatherWalter de Gaunt (e1083-1139) [S756] [S925]
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MotherMathilde de Penthièvre (e1084-) [S756] [S925]
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Timeline
ClaimDateDetailAgeEvidence
Birthest 1104 (1101-1108)
 
Sources
IndexTitle
[S756] Weis, Frederick Lewis, "Ancestral Roots of Sixty Colonists Who Came To New England before 1700, 7th Ed." (Genealogical Publishing Co., Inc., Baltimore, 1999).
[S925] Cawley, Charles, "Foundation of Medieval Genealogy (Medieval Lands - England Earls 1138-1143)" (2006-7 (v.1.1 Updated 26 Jun 2006 )).