Question: When did Francis Osborne, 1St Baron Godolphin's father die?
Sentence (from "Francis Osborne, 5th Duke of Leeds"): Francis Godolphin Osborne, 5th Duke of Leeds, (29 January 1751 – 31 January 1799), styled Marquess of Carmarthen until 1789, was a British politician.
Relevant evidence: Yes