Nielsen Hayden genealogy
Agnès

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Name Agnès [1] Gender Female Person ID I16886 Ancestry of PNH, TNH, and others | Ancestor of AP, Ancestor of DDB, Ancestor of JTS, Ancestor of LDN, Ancestor of TSW, Ancestor of TWK Last Modified 13 Jun 2020
Family Erard II de Brienne, d. 1191 Children + 1. Gauthier III de Brienne, b. Abt 1165, d. Jun 1205, Sarno, Campania, Italy (Age ~ 40 years)
+ 2. Jeane de Brienne, King of Jerusalem; Latin Emperor of Constantinople, b. Between 1169 and 1174, d. 23 Mar 1237, Constantinople (Age ~ 68 years)
Last Modified 14 Jun 2020 Family ID F10539 Group Sheet | Family Chart
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Notes - "[Jean de Brienne's] mother's name was Agnès, but she may have been a second wife of his father after the death of the first - who was from the Montfaucon family, but not definitely named Agnès. The mother of Jean may have been a daughter of Guillaume III, count of Nevers, Auxerre and Tonnerre by Ida of Sponheim." [Peter Stewart, SGM, 10 June 2020]
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Sources - [S49] Genealogics, by Leo Van de Pas.
- [S49] Genealogics, by Leo Van de Pas.