Isabelle de Brienne

- Bef 1307

• Name	Isabelle de Brienne
  Gender	Female
  Death	Bef 11 Nov 1307  [1]
  Person ID	I45136	Ancestry of PNH, TNH, and others | Ancestor of GR, Ancestor of KL
  Last Modified	16 Apr 2026

  
  

  Father	Jean I de Brienne   d. 12 Jun 1294, Clermont-en-Beauvaisis, Beauvaisis, Île-de-France, France
  Mother	Beatrix de Châtillon   d. 1304, St-Pol, France
  Family ID	F26310	Group Sheet  |  Family Chart

  
  

  Family	Jean II de Dampierre   d. Bef 11 Nov 1307
  Children	+ 1. Jean of Flanders-Dampierre   d. 2 Mar 1316
  Family ID	F26309	Group Sheet  |  Family Chart
  Last Modified	16 Apr 2026

  
  

• Sources

  [S49] Genealogics by Leo Van de Pas, continued by Ian Fettes and Leslie Mahler.