Question: Who is the paternal grandfather of Sigebert Ii?
Sentence (from "Sigebert II"): Brunhilda and Sigebert met Clotaire's army on the Aisne, but the Patrician Aletheus, Duke Rocco, and Duke Sigvald deserted her host and Brunhilda and Sigebert were forced to flee, before being taken by Clotaire's men at Lake Neuchâtel.
Relevant evidence: No