Question: Who is Seuthes Iv's paternal grandfather?
Sentence (from "Rhescuporis I (Odrysian)"): Rhescuporis I (Ancient Greek: Ραισκούπορις) was a king of the Odrysian kingdom of Thrace in 240 BC - 215 BC, succeeding his father, Cotys III.
Relevant evidence: Yes