Question: Who is the paternal grandfather of Mihrdat Iii Of Iberia?
Sentence (from "Mihrdat III of Iberia"): Mihrdat succeeded his father, Varaz-Bakur known as Aspacures to the contemporaneous historian Ammianus Marcellinus and installed by Shapur II, the Sassanid king of Iran on the place of his nephew Sauromaces.
Relevant evidence: Yes