He was the son of John Perceval, 2nd Earl of Egmont and Catherine Compton, Baroness Arden. He married Jane Wilson, daughter of General Sir Thomas Spencer Wilson, 6th Bt. and Jane Badger-Weller, on 10 August 1790.4 He died on 11 May 1812 at age 49 at House of Commons, Westminster, London, England, assassinated by John Bellingham.1
He was educated at Harrow School, Harrow on the Hill, London, England.4 He was a practising barrister and solicitor.4 He held the office of Member of Parliament (M.P.).4 He was invested as a Privy Counsellor (P.C.).1 He held the office of Attorney-General.4 He held the office of Chancellor of the Exchequer in 1807.4 He held the office of Prime Minister and First Lord of the Treasury from October 1809 to 11 May 1812.
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Spencer Perceval 1 November 1762 - 11 May 1812, assasinated Prime Minister of the United Kingdom, left a widow and twelve children aged between three and twenty, and there were soon rumours that he had not left them well provided for. He had just £106 5s 1d in the bank when he died. A few days after his death, Parliament voted to settle £50,000 on Perceval’s children, with additional annuities for his widow and eldest son. Jane Perceval married Lieutenant-Colonel Sir Henry Carr, brother of the Reverend Robert James Carr, then Vicar of Brighton, in 1815 and was widowed again six years later. She died aged 74 in 1844.