Question: Who is Peter Ii Of Aragon's paternal grandmother?
Sentence (from "Bertha of Aragon"): Genealogist Szabolcs de Vajay has speculated that Bertha may have been a daughter of Peter I, Count of Savoy, and another Agnes of Aquitaine, perhaps the Agnes who was the final wife of Peter's father Ramiro I of Aragon and first- cousin of Peter's own first wife.
Relevant evidence: No