Nielsen Hayden genealogy
Descendants of Astrid Ólafsdóttir
- 1022Father: Olof Skötkonung, King of Sweden (Sweden;Abt 965 - Abt 1020)
Mother: Ethla of Wendland
Astrid Ólafsdóttir ( - Between 1021 and 1022)
St. Olaf II Haraldsson, King of Norway (Abt 995 - 31 Aug 1030 Stiklestad, Verdal, Nord-Trøndelag, Norway)
(m. Feb 1018)
(m. Feb 1018)
   └─ Úfhildr Ólafsdóttir (Abt 1023 - 24 May 1070)
    Ordulf of Saxony (Abt 1020 - 28 Mar 1072)(m. Nov 1042)
       └─ Magnus of Saxony (Abt 1045 - 23 Aug 1106 bur.Artlenburg, Lower Saxony)
        Sophia of Hungary (Abt 1050 - 18 Jun 1095)(m. Between 1070 and 1071)
           ├─ Wulfhilde of Saxony (Abt 1075 - 29 Dec 1126 Weingarten Abbey, Ravensburg, Upper Swabia, Germany) =>
           │ + Henry IX of Bavaria (1074 - 13 Dec 1126 Ravensburg, Upper Swabia, Germany)(m. Abt 1100)
            + Otto von Ballenstedt (Abt 1075 - 9 Feb 1123)