Question: What is the date of death of Eleonora D'Este (1537–1581)'s father?
Sentence (from "Ercole II d'Este, Duke of Ferrara"): Ercole II d'Este (5 April 1508 – 3 October 1559) was Duke of Ferrara, Modena and Reggio from 1534 to 1559.
Relevant evidence: Yes