Question: Who is the father-in-law of Bertrada Of Laon?
Sentence (from "Bertrada of Prüm"): Bertrada (b. ca. 670; d. after 721), also called Berthe or Bertree, is known to be the mother of Charibert of Laon, with whom she is co-founder and benefactor of the Prüm Abbey.
Relevant evidence: No