Question: Who is Infanta Pilar, Duchess Of Badajoz's paternal grandmother?
Sentence (from "Infante Juan, Count of Barcelona"): Infante Juan of Spain, Count of Barcelona ("Juan Carlos Teresa Silverio Alfonso de Borbón y Battenberg"; 20 June 1913 – 1 April 1993), also known as Don Juan, was the third son and designated heir of King Alfonso XIII of Spain and Victoria Eugenie of Battenberg.
Relevant evidence: Yes