Nielsen Hayden genealogy
Descendants of Kunigunde of Altdorf
Abt 1020 - Bef 1055 (~ 35 years)Father: Welf II ( - 10 Mar 1030)
Mother: Imiza of Luxembourg (Abt 1000 - Aft 2 Aug 1055)
Kunigunde of Altdorf (Abt 1020 - Bef 31 Mar 1055)
Albert Azzo II (997 - 20 Aug 1097)(m. Abt 1035)
   └─ Welf I of Bavaria ( - 6 Nov 1101 Paphos, Cyprus)
    Judith of Flanders (Abt 1033 - 5 Mar 1094 Weingarten Abbey, Ravensburg, Upper Swabia, Germany)(m. 1071)
       └─ Henry IX of Bavaria (1074 - 13 Dec 1126 Ravensburg, Upper Swabia, Germany)
        Wulfhilde of Saxony (Abt 1075 - 29 Dec 1126 Weingarten Abbey, Ravensburg, Upper Swabia, Germany)
        (m. Abt 1100)
        (m. Abt 1100)
           │ + Gebhard III of Sulzbach (Abt 1114 - 28 Oct 1188)(m. 1129)
           │ + Rudolf von Bregenz ( - Between 27 Apr 1160 and 28 Apr 1160)
           │ + Gertrud von Süpplinburg (18 Apr 1115 - Abt 18 Apr 1143)(m. 29 May 1127)
           └─ Judith of Bavaria (19 May 1100 - Aft 22 Feb 1130 bur.Waldburg, Heiligen Forst, Alsace) =>
            + Frederick II von Hohenstaufen (1090 - 4 Apr 1147)(m. 1121)