Nielsen Hayden genealogy
Descendants of (Unknown mistress or mistresses of Henry I)
(Unknown mistress or mistresses of Henry I)
Henry I, King of England (1068 - 1 Dec 1135 Lyon-la-Forêt, near Rouen, Seine-Maritime, Normandy, France)
   ├─ Constance of England ( - Aft 1175)
   │ Roscelin de Beaumont ( - Aft 1145)(m. Bef 1130)
   │    └─ Richard I de Beaumont (Between 1120 and 1130 -
   │     Aft 1194 bur.Abbaye d'Étival-en-Charnie, Sarthe, Pays-de-la-Loire, France)
   │     Aft 1194 bur.Abbaye d'Étival-en-Charnie, Sarthe, Pays-de-la-Loire, France)
   │     Lucy de l'Aigle ( - Aft 1217)(m. Bef 1177)
   │        │ + Roger de Tony (of Flamstead, Hertfordshire, England - Jan 1209)(m. 1175)
   │        ├─ Ermengarde de Beaumont ( - 11 Feb 1233 bur.Balmerino Abbey, Fife, Scotland) =>
   │        │ + William I "The Lion", King of Scotland (1143 - 4 Dec 1214 Stirling, Stirlingshire, Scotland)
   │        │ (m. 5 Sep 1186)
   │        │ (m. 5 Sep 1186)
   │         + Agnes
   ├─ Mabel of England ( - Aft 1125)
   │ Guillaume III Gouët (Bef 1080 - Aft 1140)(m. Bef 1125)
   │    ├─ Eustachie ( - Bef 1164)
   │    │ Alselm Campdavaine ( - 1164)
   │    │    └─ Beatrice Campdavaine (Abt 1160 of St. Pol, France - Aft 1204) =>
   │    │     + Jean I of Ponthieu (Abt 1140 - 30 Jun 1191 Acre, Palestine)(m. Bef 4 Dec 1170)
   │    └─ Guillaume IV Gouët de Montmirail ( - 1169 Palestine)
   │     Isabelle of Blois (1130 - ??)(m. Between 1150 and 1155)
   │         + Hervé III de Donzy ( - Aft 1188)
   ├─ Maud fitz Roy
   │ Conan III of Brittany (Abt 1093 - 1148)(m. Bef 1113)
   │    ├─ Constance of Brittany ( - 1148)
   │    │ Geoffroi II de Mayenne (Abt 1135 - 18 Feb 1165)(m. Abt 1135)
   │    │    │ + Andre II de Vitré ( - Sep 1211)
   │    │     + Robert IV de Sablé ( - Abt 1195 Palestine)(m. Aft 1168)
   │    └─ Bertha of Brittany (Abt 1119 - Between 1162 and 1167)
   │     Alan III (Bef 1100 - 15 Sep 1146 Brittany, France)(m. Abt 1137)
   │         + Margaret of Huntingdon (Abt 1145 - 1201 bur.Sawtrey Abbey, Huntingdonshire, England)
   │         (m. 1160 England)
   │         (m. 1160 England)
   ├─ 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)
   │    │     + Simon V de Montfort (Abt 1175 - 25 Jun 1218 Toulouse, Languedoc, France)(m. Abt 1190)
   │    └─ Matthieu de Montmorency ( - 1204 Constantinople)
   │     Mathilde de Garlande (Abt 1150 - 16 Mar 1224)(m. Abt 1189)
   │         + Mahaut de Châteaufort ( - Aft 25 Jul 1267)(m. Bef Jun 1209)
   └─ Robert of Gloucester (Abt 1090 - 31 Oct 1147 Bristol, Gloucestershire, England)
    Mabel fitz Robert ( - 29 Sep 1157)(m. Bef 1122)
       ├─ William fitz Robert ( - 23 Nov 1183 bur.Kernsham Abbey, Somerset, England)
       │ Hawise of Leicester ( - 24 Apr 1197)(m. Abt 1150)
       │    ├─ Isabel of Gloucester ( - 14 Oct 1217)
       │    │ + John, King of England (Abt 27 Dec 1166 Oxford, Oxfordshire, England - 19 Oct 1216 Newark Castle,
       │    │ : Newark, Nottinghamshire, England)(m. 29 Aug 1189 Marlborough, Wiltshire, England)
       │    │ : Newark, Nottinghamshire, England)(m. 29 Aug 1189 Marlborough, Wiltshire, England)
       │    │ + Hubert de Burgh (Abt 1170 - 1243 bur.Black Friars, Holborn, London, England)(m. Sep 1217)
       │     + Richard de Clare (Abt 1153 of Clare, Suffolk, England - Between 30 Oct 1217 and 28 Nov 1217)
       │     (m. Abt 1180)
       │     (m. Abt 1180)
       ├─ Matilda of Gloucester ( - 29 Jul 1189)
       │ Ranulph de Gernons (Bef 1100 Guernon Castle, Normandy, France -
       │ 16 Dec 1153 bur.Abbey of St. Werburg, Chester, Cheshire, England)(m. Bef 1135)
       │ 16 Dec 1153 bur.Abbey of St. Werburg, Chester, Cheshire, England)(m. Bef 1135)
       │    └─ Hugh of Chester (Abt 1141 - 30 Jun 1181 Leek, Staffordshire, England) =>
       │     + (Unknown first wife of Hugh of Chester)
       │     + (Unknown mistress of Hugh of Chester)
       │     + Bertrade de Montfort (Abt 1155 - Aft 31 Mar 1227)(m. 1169)
       ├─ Mabira de Caen (of Gloucester, Gloucestershire, England - Aft 1190)
       │ Jordan de Cambernon (of Cambernon, Manche, Normandy, France - Aft 1172)
       │     + Isabel ( - Aft 1218)
       └─ Robert fitz Robert (of Conarton in Gwithian, Cornwall, England - 1170)
        Hawise de Revières ( - Aft 1211)
            + Jordan de Chambernun (of Cambernon, Manche, Normandy, France - Aft 1171)