Jean I de Brienne

- 1294

• Name	Jean I de Brienne
  Gender	Male
  Death	12 Jun 1294	Clermont-en-Beauvaisis, Beauvaisis, Île-de-France, France   [1]
  Person ID	I45137	Ancestry of PNH, TNH, and others | Ancestor of GR, Ancestor of KL
  Last Modified	16 Apr 2026

  
  

  Father	Alfons de Brienne   d. Sep 1270, Carthage
  Mother	Marie de Lusignan   d. 1 Oct 1260, Melle, Poitou, France
  Marriage	Abt 1249  [1]
  Family ID	F26311	Group Sheet  |  Family Chart

  
  

  Family	Beatrix de Châtillon   d. 1304, St-Pol, France
  Children	+ 1. Isabelle de Brienne   d. Bef 11 Nov 1307
  Family ID	F26310	Group Sheet  |  Family Chart
  Last Modified	16 Apr 2026

  
  

• Notes

  Comte d'Eu.

  
  

• Sources

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