Nielsen Hayden genealogy
Descendants of Ragvald Ulfsson
Abt 990 -Father: Ulf Tostesson (Abt 970 - ??)
Ragvald Ulfsson (Abt 990 - ??)
   └─ Stenkil Ragnvaldsson, King of Sweden (Abt 1020 - 1066)
    (Unknown) of Sweden
       └─ Inge Stenkilsson, King of Sweden (Abt 1040 - Abt 1100)
        Helena (Abt 1050 - ??)
           │ + Björn Jernside (Abt 1100 - 4 Jun 1134)
            + Mstislav I, Grand Prince of Kiev (1076 - 15 Apr 1132)(m. 1095)