Nielsen Hayden genealogy
Ancestors of David Igorjewitsch
Abt 1058 - 1112 (~ 54 years)
┌── Igor of Kiev, Ruler of the Kievan Rus 
( - 945) =>
( - 945) => ┌── Sviatoslav I, Grand Prince of Kiev ( - 972)
( - 972) │ └── St. Olga of Kiev (Abt 890 Pskov, Russia - 11 Jul 969 Kiev, Ukraine)
(Abt 890 Pskov, Russia - 11 Jul 969 Kiev, Ukraine) │
┌── St. Vladimir of Kiev, Grand Prince of Kiev ( - 15 Jul 1015 Berestovo, west of Kiev)(m. 980)
( - 15 Jul 1015 Berestovo, west of Kiev)(m. 980) │ │
│ │ ┌── Malok (of Lyubech, on the left bank of the Dnieper north of Kiev - ??)
(of Lyubech, on the left bank of the Dnieper north of Kiev - ??) │ └── Malusha
│
┌── Yaroslav I "The Wise", Grand Prince of Kiev ( - 19 Feb 1054 Vyshgorod, a citadel north of Kiev)
( - 19 Feb 1054 Vyshgorod, a citadel north of Kiev) │ │
│ │ ┌── Ragnvald, Prince of Polotsk
│ └── Rogneda of Polotsk (Abt 962 - 1000)(m. 980)
(Abt 962 - 1000)(m. 980) │
┌── Igor Jaroslawitsch (Abt 1036 - Between 1059 and 1060)
(Abt 1036 - Between 1059 and 1060) │ │
│ │ ┌── Eric Bjornsson, King of Sweden (Sweden;Abt 935 - Abt 994)
(Sweden;Abt 935 - Abt 994) │ │ ┌── Olof Skötkonung, King of Sweden (Sweden;Abt 965 - Abt 1020)
(Sweden;Abt 965 - Abt 1020) │ │ │ └── Sigrið Storråda
│ │ │
│ └── Ingegerd (St. Anna) of Sweden ( - 10 Feb 1050)
( - 10 Feb 1050) │ └── Estrid of the Obotrites (Abt 979 - 1035)
(Abt 979 - 1035) │
David Igorjewitsch (Abt 1058 - 25 Dec 1112)