Question:  Ælfwine Haroldsson, most probably an illegitimate son of King Harold Harefoot of England, and most likely left in his otherwise unknown mother's or grandmother's care, was the first wife of what king?
Sentence (from "Ælfwine Haroldsson"): Ælfwine Haroldsson or Ælfwine was most probably an illegitimate son of King Harold Harefoot of England.
Relevant evidence: Yes