Question: Who is the mother-in-law of Bertrude?
Sentence (from "Chlothar II"): Chlothar II (or "ChlotarClotharClotaireChlotochar", or "Hlothar"; 584 – 18 October 629), called the Great or the Young, was king of Neustria and king of the Franks, and the son of Chilperic I and his third wife, Fredegund.
Relevant evidence: Yes