Question: When did John Gregson (Politician)'s father die?
Sentence (from "John Gregson (politician)"): John Compton Gregson (c. March 1821 – 16 December 1867) was a politician, member of the Tasmanian House of Assembly 1856 to 1859 and the Tasmanian Legislative Council 1859 to 1864.
Relevant evidence: No