Nielsen Hayden genealogy
[Unknown wife of Guy I de la Roche-sur-l'Ognon]
1. [Unknown wife of Guy I de la Roche-sur-l'Ognon] Family/Spouse: Guy I de la Roche-sur-l'Ognon. Guy (son of Pons de la Roche-sur-l'Ognon) died in 1263. [Group Sheet] [Family Chart]
Children:
Generation: 2
2. Isabelle de la Roche-sur-l'Ognon 
(1.[Unknown1)Family/Spouse: Hugues. Hugues (son of Gauthier IV de Brienne and Marie de Lusignan) was born about 1236; died on 9 Aug 1296 in Sicily. [Group Sheet] [Family Chart]
Children:
- 3. Gauthier V was born about 1272; died on 15 Mar 1311 in Boeotia, Greece.
- 3. Gauthier V
Generation: 3
3. Gauthier V (2.Isabelle2, 1.[Unknown1) was born about 1272; died on 15 Mar 1311 in Boeotia, Greece. Family/Spouse: Jeanne de Châtillon. Jeanne (daughter of Gaucher V de Châtillon and Isabelle de Dreux) died on 16 Jan 1354; was buried in Troyes, Aube, Champagne-Ardenne, France. [Group Sheet] [Family Chart]
Children:
- 4. Isabelle de Brienne was born about 1306; died on 28 Dec 1360; was buried in Cambron, Somme, Hauts-de-France, France.
- 4. Isabelle de Brienne
Generation: 4
4. Isabelle de Brienne (3.Gauthier3, 2.Isabelle2, 1.[Unknown1) was born about 1306; died on 28 Dec 1360; was buried in Cambron, Somme, Hauts-de-France, France. Isabelle married Walter III d'Enghien on 6 Jan 1321. Walter (son of Wautier II d'Enghien and Yolanda of Flanders) was born on 5 Jun 1302; died about 16 Oct 1345; was buried in Cambron, Somme, Hauts-de-France, France. [Group Sheet] [Family Chart]
Children:
- 5. Louis d'Enghien was born about 1336; died on 17 Mar 1394 in Conversano, Apulia, Italy.
- 5. Louis d'Enghien