Question: When did Gerolama Orsini's husband die?
Sentence (from "Pier Luigi Farnese, Duke of Parma"): Pier Luigi Farnese (19 November 1503 – 10 September 1547) was the first Duke of Castro from 1537 to 1545 and the first Duke of Parma and Piacenza from 1545 to 1547.
Relevant evidence: Yes