Nielsen Hayden genealogy
Descendants of Sybille de Hainaut
1179 - 1217 (38 years)Father: Baldwin V of Flanders (1150 - 17 Dec 1195)
Mother: Marguerite of Lorraine (Between 1140 and 1145 - 12 Nov 1194)
Sybille de Hainaut (1179 - 1217)
Guichard IV de Beaujeu ( - 1216)(m. 1196)
   ├─ Agnès de Beaujeu ( - 11 Jul 1231)
   │ Thibaut IV and I, King of Navarre (Abt 30 May 1201 - Abt 7 Jul 1253 Pamplona, Navarre, Spain)(m. 1222)
   │    └─ Blanche de Champagne ( - 11 Aug 1283)
   │     Jean I (1217 - 8 Oct 1286)(m. 16 Jan 1235)
   │        └─ Jean II (4 Jan 1239 - 18 Nov 1309 Lyons, Auvergne-Rhône-Alpes, France) =>
   │         + Beatrice of England (25 Jun 1242 Bordeaux, Aquitaine, France - 24 Mar 1275 London, England)
   │         (m. 22 Jan 1260 St.-Denis, Paris, France)
   │         (m. 22 Jan 1260 St.-Denis, Paris, France)
   └─ Humbert V de Beaujeu (1198 - 21 May 1250 Syria)
    Marguerite de Baugé (m. 22 Sep 1219)
       └─ Sybil de Beaujeu (1220 - 1249)
        Aimar III de Poitiers
            + Marguerite of Geneva (m. 1288)