Question: What is the date of death of Rigunth's mother?
Sentence (from "Fredegund"): Fredegund has traditionally been given a very bad reputation, foremost by the accounts of Gregory of Tours, who depicts her as ruthlessly murderous and sadistically cruel, and she is known for the many cruel stories about her, particularly for her long going feud with queen Brunhilda of Austrasia.
Relevant evidence: No