Nielsen Hayden genealogy
Descendants of Thrugot Ulfsen
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Father: Ulf
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Mother: Bodil Hakonsdatter
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Thrugot Ulfsen
   
Erik I, King of Denmark
(Abt 1060 Slangerup, North Zealand, Denmark - 10 Jul 1103 Paphos, Cyprus)(m. Bef 1086)
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       └─ St. Canute Lavard
(1096 Roskilde, Zealand, Denmark -
        7 Jan 1131 Haraldsted forest, near Ringsted, Zealand, Denmark)
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        7 Jan 1131 Haraldsted forest, near Ringsted, Zealand, Denmark)
           └─ Valdemar I den Store, King of Denmark
(14 Jan 1131 - 12 May 1182 Vordingborg, Denmark) =>
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            + Sofie of Polotsk
(Abt 1141 - 5 May 1198)(m. Abt Sep 1157)
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