Question: What was the father of Vaiva the common Baltic god of?
Sentence (from "Perkūnas"): Perkūnas (Lithuanian: "Perkūnas" , Latvian: "Pērkons" or "Pērkon", Old Prussian: "Perkūns", Yotvingian: "Parkuns") was the common Baltic god of thunder, one of the most important deities in the Baltic pantheon.
Relevant evidence: Yes