Ingegerd Olofsdotter of Sweden was a Swedish princess who became the Grand Princess of Kyiv through her 1019 marriage to Yaroslav the Wise. Born around 1001 to King Olof Skötkonung, she moved to the Kievan Rus' to strengthen trade and political ties. Known by the Greek name Irene after her arrival in Kyiv, she was a central figure in the royal court. She is remembered for her significant role in religious patronage, specifically her involvement in the construction of major cathedrals, and for her large family that included several European queens.