Question: What is the date of death of Ottavio Farnese (1598–1643)'s father?
Sentence (from "Ottavio Farnese (1598–1643)"): He was an illegitimate son of Ranuccio I Farnese, Duke of Parma and Briseide Ceretoli, who was at that time unmarried; she was the daughter of Ottavio Ceretoli, a captain who had died in Flanders in the following of Alessandro Farnese, Duke of Parma.
Relevant evidence: Yes