Question: Who is Ramiro Ii Of Aragon's maternal grandfather?
Sentence (from "Petronilla of Aragon"): Petronilla( 29 June/ 11 August 1136 – 15 October 1173), whose name is also spelled Petronila or Petronella( Aragonese" Peyronela" or" Payronella", and), was the Queen of Aragon from the abdication of her father in 1137 until her own abdication in 1164.
Relevant evidence: No