┌─Igor
┌─Sviatoslav I Igorevich
│ └─Olga
┌─Vladimir I the Great Sviatoslavich
│ └─Malusha
┌─Yaroslav I the Wise Vladimirovich
Anne of Kiev
│ ┌─Eric the Victorious
│ ┌─Olof Skötkonung
└─Ingegerd Olofsdotter
└─Estrid of the Obotrites