Question: What is the father of Dorothea of Denmark's name in Swedish?
Sentence (from "Ulf the Earl"): Ulf was the father of King Sweyn II of Denmark and thus the progenitor of the House of Estridsen, which would rule Denmark from 1047 to 1375, which was also sometimes, specially in Swedish sources, referred to as the Ulfinger dynasty to honor him.
Relevant evidence: No