Nielsen Hayden genealogy
Descendants of Alice
Father: Henry I, King of England (1068 - 1 Dec 1135 Lyon-la-Forêt, near Rouen, Seine-Maritime, Normandy, France)
Alice
Matthieu I de Montmorency (Abt 1100 - 1160)(m. 1126)
   ├─ Bouchard V de Montmorency ( - 1189 France)
   │ Laurence de Hainault ( - 9 Jun 1181)(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)
   └─ Matthieu de Montmorency ( - 1204 Constantinople)
    Mathilde de Garlande (Abt 1150 - 16 Mar 1224)(m. Abt 1189)
       └─ Bouchard I de Marly ( - 13 Sep 1226)
        Mahaut de Châteaufort ( - Aft 25 Jul 1267)(m. Bef Jun 1209)
           │ + Guglielmo Etendard ( - Between 17 Jan 1271 and 24 Feb 1271)
            + Agnes Beaumont ( - Aft 5 May 1260)(m. Bef Sep 1233)