Nielsen Hayden genealogy
Guillaume I de Craon
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Name Guillaume I de Craon [1, 2, 3] Birth Aft 15 Apr 1318 [4] Gender Male Death 8 Jun 1387 [4] Person ID I46364 Ancestry of PNH, TNH, and others | Ancestor of GR Last Modified 4 Jun 2026
Father Amaury III de Craon, b. Abt 1280 d. 26 Jan 1333 (Age 53 years) Mother Beatrix de Roucy d. 7 Nov 1328 Marriage Oct 1312 [4] Family ID F27000 Group Sheet | Family Chart
Family 
Marguerite de Dampierre de Flandre d. Aft Nov 1372 Marriage Bef 4 May 1341 [4, 5, 6, 7] Children + 1. Marie de Craon d. Bef 1401 Family ID F26945 Group Sheet | Family Chart Last Modified 4 Jun 2026
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Notes - Called "The Great." Viscount of Châteaudun. Seigneur of Saint-Maure, of the Ferté-Bernard, and of Sablé.
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Sources - [S9107] John P. DuLong, Jonathan Chénier-Daoust, and Paul Delaney, "The Boyleau Sisters' Armorial for their English Royal Gateway.".
- [S9108] Jonathan Chénier-Daoust and Paul Delaney, "The Boyleau Sisters' Armorial for their French Royal Gateway.".
- [S38] Genealogy of the French in North America, by Denis Beauregard. Complete version, 2025.
- [S49] Genealogics by Leo Van de Pas, continued by Ian Fettes and Leslie Mahler.
- [S9107] John P. DuLong, Jonathan Chénier-Daoust, and Paul Delaney, "The Boyleau Sisters' Armorial for their English Royal Gateway.", year only.
- [S9108] Jonathan Chénier-Daoust and Paul Delaney, "The Boyleau Sisters' Armorial for their French Royal Gateway.", year only.
- [S38] Genealogy of the French in North America, by Denis Beauregard. Complete version, 2025., year only.
- [S9107] John P. DuLong, Jonathan Chénier-Daoust, and Paul Delaney, "The Boyleau Sisters' Armorial for their English Royal Gateway.".