Which British peer and politician born in 1734 was a great-grandson of the 1st Duke of Marlborough?
Earl Spencer (peerage) Earl Spencer is a title in the Peerage of Great Britain that was created on 1 November 1765, along with the title Viscount Althorp, of Althorp in the County of Northampton, for John Spencer, 1st Viscount Spencer. He was a member of the prominent Spencer family and a great-grandson of the 1st Duke of Marlborough. Previously, he had been created Viscount Spencer, of Althorp in the County of Northampton, and Baron Spencer of Althorp, of Althorp in the County of Northampton, on 3 April 1761.
Lord Augustus FitzRoy Lord Augustus FitzRoy (16 October 171624 May 1741) was a British officer of the Royal Navy. He served during the War of the Austrian Succession, and was involved in the capture of the Spanish ship of the line, "Princesa", a major prize in the war. He was also the father of Augustus Henry Fitzroy, 3rd Duke of Grafton, who became Prime Minister of Great Britain.