Question: Who is Estrid Of The Obotrites's father-in-law?
Sentence (from "Estrid of the Obotrites"): Estrid (or Astrid) of the Obotrites (c. 979 – 1035) was a Viking age Swedish queen and West Slavic princess, married to Olof Skötkonung, the King of Sweden, c. 1000–1022, mother of King Anund Jacob of Sweden and the Kievan Rus' saint and grand princess Ingegerd Olofsdotter.
Relevant evidence: Yes