Nielsen Hayden genealogy
Dangereuse
Abt 1079 - Aft 1119 (~ 41 years)-
Name Dangereuse [1] Birth Abt 1079 [2] Gender Female Death Aft 1119 [2] Person ID I2596 Ancestry of PNH, TNH, and others | Ancestor of AP, Ancestor of DDB, Ancestor of DGH, Ancestor of DK, Ancestor of EK, Ancestor of JMF, Ancestor of JTS, Ancestor of LDN, Ancestor of LMW, Ancestor of TNH, Ancestor of TSW, Ancestor of TWK, Ancestor of UKL, Ancestor of WPF Last Modified 26 Feb 2021
Family 1 Aimery I, b. Abt 1076 d. Bef 1144, Notre-Dame de Noyers monastery, Nouâtre, Indre-et-Loire, France 
(Age ~ 67 years) Children + 1. Aénor de Châtellerault d. Aft 3 Mar 1130 Family ID F1401 Group Sheet | Family Chart Last Modified 24 Nov 2018
Family 2 William IX of Aquitaine, b. 22 Oct 1071 d. 10 Feb 1126 (Age 54 years) Family ID F5141 Group Sheet | Family Chart Last Modified 17 Nov 2017
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Notes - In 1903 Alfred Richard proposed that the Dangereuse who was wife to Aymeric I of Châtellerault was the Dangerosa who occurs as a daughter of Barthelemy de L'Isle-Bouchard and his wife Gerberge in a charter ascribed by its editor to roughly 1087. As Peter Stewart pointed out in a post to SGM on 26 Feb 2021, this is unproven, although (Stewart's words) "this does seem reasonably likely."
Also called La Maubergeonne; Amauberge. The latter may have been her actual baptismal name.
Mistress to William IX of Aquitaine, father of her son-in-law.
- In 1903 Alfred Richard proposed that the Dangereuse who was wife to Aymeric I of Châtellerault was the Dangerosa who occurs as a daughter of Barthelemy de L'Isle-Bouchard and his wife Gerberge in a charter ascribed by its editor to roughly 1087. As Peter Stewart pointed out in a post to SGM on 26 Feb 2021, this is unproven, although (Stewart's words) "this does seem reasonably likely."
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Sources - [S145] Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis and Walter Lee Sheppard, Jr. 8th edition, William R. Beall & Kaleen E. Beall, eds. Baltimore: Genealogical Publishing Company, 2004, 2006, 2008.
- [S49] Genealogics by Leo Van de Pas, continued by Ian Fettes and Leslie Mahler.
- [S145] Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis and Walter Lee Sheppard, Jr. 8th edition, William R. Beall & Kaleen E. Beall, eds. Baltimore: Genealogical Publishing Company, 2004, 2006, 2008.