The only one of the 2nd marquess of Bath’s sons to be educated at Charterhouse, Thynne, an inveterate gambler who may have been intended for the church, took his degree at Oxford in 1828, before being bought a commission in the duke of York’s rifle corps. He resigned it less than two years later on his marriage to the heiress Elizabeth Mellish, whose father had made his fortune as a navy contractor.
At the 1834 and January 1835 Finsbury elections, Thynne, whose financial and marital affairs were in disarray, canvassed against Thomas Slingsby Duncombe*, to whom he owed over £10,000, and who sued him and his wife repeatedly for debt. Being estranged from him, she claimed to be divorced when seeking credit, but sought a married woman’s indemnity when brought to court for non-payment.
