Nielsen Hayden genealogy
Descendants of Ethla of Wendland
Ethla of Wendland
Olof Skötkonung, King of Sweden (Sweden;Abt 965 - Abt 1020)
   ├─ 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)
   └─ Emund, King of Sweden
   
       └─ (Unknown) of Sweden
        Stenkil Ragnvaldsson, King of Sweden (Abt 1020 - 1066)
           └─ Inge Stenkilsson, King of Sweden (Abt 1040 - Abt 1100) =>
            + Helena (Abt 1050 - ??)