Nielsen Hayden genealogy
Descendants of Baldwin IV of Hainaut
1110 - 1171 (61 years)Father: Baldwin III of Hainaut (1088 - 1120)
Mother: Yolande von Wassenberg (Abt 1090 of Guelders, Netherlands - 1155)
Baldwin IV of Hainaut (1110 - 8 Nov 1171)
Alix de Namur ( - Jul 1169)(m. Abt 1130)
   ├─ Agnès de Hainault ( - Bef 1174)
   │ Raoul I de Coucy (1134 - Nov 1191 Acre, Palestine)
   │    ├─ Isabeau de Coucy
   │    │ Henry III de Grandpré ( - 1211)
   │    │     + Marie de Garlande ( - Aft 1259)(m. Bef Apr 1217)
   │    └─ Yolande de Coucy (1164 - 18 Mar 1222 bur.Abbey of St. Yved, Braine, France)
   │     Robert II of Dreux and Braine (Abt 1154 - 28 Dec 1218 bur.Abbey of St. Yved, Braine, France)(m. 1184)
   │        ├─ Robert III "Gasteblé" of Dreux (1185 - 3 Mar 1234) =>
   │        │ + Alianor de St. Valéry (1192 - Aft 15 Sep 1250)(m. 1210)
   │        ├─ Pierre de Braine (Between 1187 and 1190 - Abt 28 May 1250 At sea) =>
   │        │ + Alix de Thouars (1201 - 21 Oct 1221 bur.Convent of the Cordeliers, Nantes, Brittany, France)
   │        │ (m. Mar 1213)
   │        │ (m. Mar 1213)
   │         + Henri II of Bar (1190 - 13 Nov 1239 Gaza, Palestine)(m. 12 Nov 1218)
   ├─ Laurence de Hainault ( - 9 Jun 1181)
   │ Bouchard V de Montmorency ( - 1189 France)(m. Jan 1173)
   │    └─ Alix de Montmorency ( - 24 Feb 1221)
   │     Simon V de Montfort (Abt 1175 - 25 Jun 1218 Toulouse, Languedoc, France)(m. Abt 1190)
   │        │ + Gaucher de Joigny ( - Bef Nov 1237)(m. Bef May 1226)
   │        │ + Gérard II de Picquigny ( - Abt 1248)
   │        ├─ Amuary VII de Montfort (Abt 1191 - 1241 Otranto, Apulia, Italy) =>
   │        │ + Béatrix de Viennois (Abt 1205 - Aft 18 Sep 1248)(m. Between 1214 and 1222 Carcassonne, France)
   │        └─ Simon VI de Montfort (Between 1208 and 1209 - 4 Aug 1265 Evesham, Worcestershire, England) =>
   │         + Eleanor of England (1215 - 13 Apr 1275 Montargis Abbey, Loiret, France)
   │         (m. 7 Jan 1238 Westminster, Middlesex, England)
   │         (m. 7 Jan 1238 Westminster, Middlesex, England)
   ├─ Jolande of Hainaut ( - Aft Nov 1202)
   │ Hugues IV Candavène (Abt 1166 - Feb 1205 Didymoteicho, Thrace, Greece)(m. Bef 28 Apr 1180)
   │    └─ Elisabeth ( - Bef 1240)
   │     Gautier III de Châtillon (Abt 1170 - 1219)
   │        ├─ Guy de Châtillon ( - Aug 1226 Avignon, Vaucluse, France) =>
   │        │ + Agnès de Donzy ( - 1225)(m. Bef 15 Nov 1223)
   │         + Marie d'Avesnes ( - 1241)
   │         + Agnès de Bar ( - Aft 1225)(m. Bef 1216)
   └─ Baldwin V of Flanders (1150 - 17 Dec 1195)
    Marguerite of Lorraine (Between 1140 and 1145 - 12 Nov 1194)(m. Apr 1169)
       ├─ Isabella of Flanders, Queen Consort of France (23 Apr 1170 Valenciennes, Nord-Pas-de-Calais, France -
       │ 15 Mar 1190 Paris, France)
       │ 15 Mar 1190 Paris, France)
       │ Philippe II Augustus, King of France (22 Aug 1165 Gonesse, France - 14 Jul 1223 Mantes la Jolie, Yvelines,
       │ Île-de-France, France)(m. 28 Apr 1180 Abbey of Saint-Trinité, Bapaume, Pas-de-Calais, France)
       │ Île-de-France, France)(m. 28 Apr 1180 Abbey of Saint-Trinité, Bapaume, Pas-de-Calais, France)
       │    └─ Louis VIII, King of France (3 Sep 1187 Paris, France -
       │     8 Nov 1226 Castle of Montpensier, Puy-de-Dôme, France) =>
       │     8 Nov 1226 Castle of Montpensier, Puy-de-Dôme, France) =>
       │     + Blanche of Castile, Queen Consort of France (Bef 4 Mar 1188 Palencia, Castile, Spain -
       │     26 Nov 1252 Paris, France)(m. 23 May 1200 Church of Port-Mort, Eure, Normandy, France)
       │     26 Nov 1252 Paris, France)(m. 23 May 1200 Church of Port-Mort, Eure, Normandy, France)
       ├─ Baldwin I of Flanders, Latin Emperor of Constantinople (Jul 1171 - 11 Jul 1205)
       │ Marie of Champagne (Abt 1174 - 9 Aug 1204)(m. 6 Jan 1186)
       │    └─ Margaret II of Flanders (Abt 1202 -
       │     10 Feb 1280 bur.Abbey of Flines, Flines-lez-Raches, Hauts-de-France, France) =>
       │     10 Feb 1280 bur.Abbey of Flines, Flines-lez-Raches, Hauts-de-France, France) =>
       │     + Bouchard IV d'Avesnes (Abt 1181 - 7 Sep 1244)(m. Bef 23 Jul 1212)
       │     + Guillaume de Dampierre (1196 - 3 Sep 1231)(m. Between 18 Aug 1223 and 15 Nov 1223)
       ├─ Yolanda of Flanders (Abt 1175 - Aug 1219)
       │ Peter II of Courtenay, Emperor of Constantinople (Abt 1155 - Bef Jan 1218)(m. Jun 1193)
       │    └─ Yolanda of Courtenay, Queen Consort of Hungary (Abt 1200 - 1233) =>
       │     + András II, King of Hungary (1176 - 21 Sep 1235)
       └─ Sybille de Hainaut (1179 - 1217)
        Guichard IV de Beaujeu ( - 1216)(m. 1196)
           │ + Thibaut IV and I, King of Navarre (Abt 30 May 1201 - Abt 7 Jul 1253 Pamplona, Navarre, Spain)
           │ (m. 1222)
           │ (m. 1222)
           └─ Humbert V de Beaujeu (1198 - 21 May 1250 Syria) =>
            + Marguerite de Baugé (m. 22 Sep 1219)