Question: Who is Theuderic Ii's paternal grandfather?
Sentence (from "Childebert II"): Childebert II (c.570–595) was the Merovingian king of Austrasia (which included Provence at the time) from 575 until his death in 595, as the eldest son of Sigebert I, and the king of Burgundy from 592 to his death, as the adopted son of his uncle Guntram.
Relevant evidence: Yes