Question: What is the date of death of Maria Cristina De' Medici's father?
Sentence (from "Princess Maria Cristina of Savoy-Aosta"): Maria Cristina of Savoy- Aosta( Maria Cristina Giusta Elena Giovanna; born 12 September 1933) is an Italian princess, member of the House of Savoy- Aosta by birth and of the House of Bourbon- Two Sicilies by marriage.
Relevant evidence: No