Nielsen Hayden genealogy
Ancestors of Oleg Michael
Abt 1058 - 1115 (~ 57 years) ┌── St. Vladimir of Kiev, Grand Prince of Kiev ( - 15 Jul 1015 Berestovo, west of Kiev)(m. 980) =>
┌── Yaroslav I "The Wise", Grand Prince of Kiev ( - 19 Feb 1054 Vyshgorod, a citadel north of Kiev)
│ └── Rogneda of Polotsk (Abt 962 - 1000)(m. 980) =>
│
┌── Svjatoslav II, Grand Prince of Kiev (1027 - 27 Dec 1076)
│ │
│ │ ┌── Olof Skötkonung, King of Sweden (Sweden;Abt 965 - Abt 1020) =>
│ └── Ingegerd (St. Anna) of Sweden ( - 10 Feb 1050)
│ └── Estrid of the Obotrites (Abt 979 - 1035)
│
Oleg Michael (Abt 1058 - 1 Aug 1115)
└── Cecilia