Family: de Blois, WIlliam / de Sully, Agnes (F13437)
m. 1104-
Male
de Blois, WIlliam
Birth 1084 Blois, Loir-et-Cher, Centre, France 
Death 11 Oct 1160 Toulouse, Haute-Garonne, Midi-Pyrénées, France Burial 21 Oct 1160 Montmorillon, Vienne, Poitou-Charentes, France Marriage 1104 [1, 2, 3] Chartres, Eure-et-Loir, Centre, France [1, 2, 3] Father de Blois, Étienne | F13443 Group Sheet Mother de Normandie, Adèle | F13443 Group Sheet
Female
de Sully, Agnes
Birth 1085 Saône-et-Loire, Bourgogne, France Death 8 Mar 1137 Saône-et-Loire, Franche-Comté, France Burial Father de Sully, Gilles II | F13438 Group Sheet Mother de Bourges, Eldeberge | F13438 Group Sheet
Female
de Sully, Marguerite
Birth 1110 Chartres, Eure-et-Loir, Centre, France Death 14 Dec 1145 Foucarmont, Seine-Maritime, Haute-Normandie, France Burial 15 Dec 1145 Foucarmont Abbey, Foucarmont, Seine-Maritime, Haute-Normandie, France Spouse d'Eu, Henry I | F13436 Marriage 1122 Eu, Seine-Maritime, Haute-Normandie, France
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Sources - [S789] WORLD: Family Search, Family Tree.
https://www.familysearch.org/search/tree/name - [S2771] USA: Ancestral Roots of Certain American Colonists Who Came to America bef 1760, Frederick Lewis Weis.
https://www.ancestry.com/search/collections/49030/ - [S845] WORLD: Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom.
https://books.google.com/books/about/Complete_Peerage_of_England_Scotland_Ire.html?id=JLAKAAAAYAAJ
- [S789] WORLD: Family Search, Family Tree.