Tags: Baronet.
Sir John St Aubyn 5th Baronet (17 May 1758 – 10 August 1839) was a British Member of Parliament High Sheriff of Cornwall and Grand Master of the Freemasons.He was High Sheriff of Cornwall for 1780 and was then Member of Parliament for Truro in 1784 for Penrhyn from 1784 to 1790 and for Helston from 1807 to 1812. St Aubyn was also a well known fossil collector who in addition to his own collection purchased the large collection possessed by Richard Greene surgeon of Lichfield d. 1793.
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