Question: Who is Infanta María Cristina Of Spain's paternal grandmother?
Sentence (from "Infanta María Cristina of Spain"): Ildefonsa Victoria Eugenia de Borbón y Battenberg"; 12 December 1911 – 23 December 1996) was the fifth child and younger daughter of Alfonso XIII of Spain and Victoria Eugenie of Battenberg and paternal aunt of King Juan Carlos I.
Relevant evidence: Yes