Question: What is the date of death of Margherita Gonzaga, Duchess Of Ferrara's husband?
Sentence (from "Margherita Gonzaga, Duchess of Ferrara"): When she married she used her influence at Mantua to convince her father to allow Livia d'Arco, a Mantuan, to join the Ferrarese court as one of her ladies in waiting, so that she could participate in the "concerto delle donne".
Relevant evidence: No