Family
ClaimDetailEvidence
FatherFulk V, Count of Anjou (1092-1144) [S756] [S1539]
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MotherÉremburge de Maine (~1096-1126) [S756] [S1539]
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Spouse 2ndTheirry I, Count of Flanders (~1099-1168) 
Child +Mathieu de Flandre (~1137-1173) [S756] [S2718] [S3164]
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Child +Marguerite II, Countess of Flanders (~1140-1194) [S756] [S3164]
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Attributes
ClaimDetailEvidence
GenderFemale
NameSybil of Anjou [S756]
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NameSibylle d'Anjou [S1539] [S2718] [S3164]
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FatherFulk V, Count of Anjou (1092-1144) [S756] [S1539]
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MotherÉremburge de Maine (~1096-1126) [S756] [S1539]
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Timeline
ClaimDateDetailAgeEvidence
Birth 1112 - 1116France [S1539] [S3164]
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Marriage 1st1123 [S1539]
Guillaume de Normandie (William Clito), Count of Flanders (d. 1128) (annulled by Pope in 1124)
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Marriage 2nd1134Theirry I, Count of Flanders (~1099-1168) [S756] [S1539] [S3164]
Weis says 1131
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Death1165Bethany, Palestine [S1539] [S3164]
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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).
[S1539] Cawley, Charles, "Foundation of Medieval Genealogy (Medieval Lands - Anjou Counts)" (v1.5 Updated 16 March 2010) (https://fmg.ac/Projects/MedLands/ANJOU, MAINE.htm).
[S2718] Cawley, Charles, "Foundation of Medieval Genealogy (Medieval Lands - England Kings 1066-1837)" (v4.1 Updated 24 November 2019).
[S3164] Cawley, Charles, "Foundation of Medieval Genealogy (Medieval Lands - Flanders: Hainaut)" (v4.10 Updated 11 December 2023) (https://fmg.ac/Projects/MedLands/FLANDERS, HAINAUT.htm).
Kinship Lines for Sybil of Anjou
Spouse/PartnerDegreeRelationshipMRCA
Theirry I, Count of Flanders (~1099-1168)124th Cousin 2x removedGerberga of Saxony (914-984)
Theirry I, Count of Flanders (~1099-1168)125th CousinFulk II, Count of Anjou (e912-958)
Theirry I, Count of Flanders (~1099-1168)125th CousinGerberge (e913-<952)
Theirry I, Count of Flanders (~1099-1168)156th Cousin 1x removedRobert I, King of France (866-923)
Theirry I, Count of Flanders (~1099-1168)156th Cousin 1x removedHerbert de Vermandois II, Count of Vermandois and Troyes (~880-943)
Theirry I, Count of Flanders (~1099-1168)156th Cousin 1x removedLiegarde of France (e887-)