Question: What is the date of death of Archduchess Isabella Clara Of Austria's husband?
Sentence (from "Archduchess Isabella Clara of Austria"): Isabella Clara of Austria (12 August 1629 – 24 February 1685), was a Duchess consort of Mantua, Montferrat, Nevers (until 1659), Mayenne (until 1654) and Rethel (until 1659) by marriage to Charles II, Duke of Mantua and Montferrat.
Relevant evidence: Yes