Nielsen Hayden genealogy
Descendants of Tancred of Hauteville
Abt 970 - Abt 1041 (~ 71 years)
Tancred of Hauteville
(Abt 970 - Abt 1041)
Fressenda ( - 1057)
   ├─ Robert Guiscard (Abt 1015 near Coutances, Normandy, France -
   │ 17 Jul 1085 Lixorion, Kefallinia, Ionian Islands, Greece)
   │ 17 Jul 1085 Lixorion, Kefallinia, Ionian Islands, Greece)
   │ Alberade di Buonalberga ( - Mar 1111)
   │ :   └─ Bohemund I, Prince of Antioch; Prince of Tarente (1058 - 3 Mar 1111)
   │ :    Constance of France (Abt 1078 - Abt 1125)
   │ :       └─ Bohemund II, Prince of Antioch (1108 - Feb 1130) =>
   │ :        + Alix of Réthel ( - Aft 1136)(m. Abt 1120)
   │ Sigelgaita di Salerno (Abt 1040 - 1090)(m. 1058)
   │    ├─ Sibylle de Hauteville
   │    │ Ebles II (Abt 1033 - Abt 1104)(m. Bef 1082)
   │    │     + Aveline
   │    └─ Mahalta of Apulia (Abt 1059 - 19 Sep 1108)
   │     Ramon II Berenguer (1055 - 5 Dec 1082)(m. Bef 13 Jul 1078)
   │        └─ Ramon III Berenguer (11 Nov 1082 Rodez, France - 23 Jan 1131 Barcelona, Catalonia, Spain) =>
   │         + Dulce de Gévauden (Aft 1092 - Between 28 Nov 1127 and 1130)(m. 3 Feb 1112)
   └─ Roger I d'Hauteville (1031 - 22 Jun 1101)
    + Judith d'Evreux ( - 1076)
    Eremburge de Mortain ( - Abt 1087)(m. Abt 1077)
    :   └─ Felicia de Hauteville (Abt 1078 - Abt 1102)
    :    Kálmán, King of Hungary (Abt 1063 - 3 Feb 1116)(m. 1097)
    :        + Vladimirko Vladimirovitch (Abt 1095 - 1153)
    Adelaide de Savona (Abt 1075 - 16 Apr 1118)(m. 1090)
       └─ Roger II, King of Sicily (Between 22 Dec 1095 and 1097 - Between 27 Jan 1154 and 26 Feb 1154)
        Elvira of Castile (Abt 1097 - 1135)(m. 1120)
        :    + Bianca de Lecce
        :    + Elisabeth de Champagne (1130 - ??)(m. Between 1139 and 1140)
        Beatrice de Vitry-Réthel (Between 1130 and 1135 - 31 Mar 1185)(m. 1151)
            + Heinrich VI, Holy Roman Emperor (Nov 1165 - 28 Sep 1197 Messina, Sicily)
            (m. 27 Jan 1186 Milan, Lombardy, Italy)
            (m. 27 Jan 1186 Milan, Lombardy, Italy)