Which British peer and politician born in 1734 was a great-grandson of the 1st Duke of Marlborough?
John Spencer, 1st Earl Spencer John Spencer, 1st Earl Spencer (19 December 1734 – 31 October 1783) was a British peer and politician.
Charles Howard, 10th Duke of Norfolk Charles Howard, 10th Duke of Norfolk, Earl Marshal (1 December 1720 – 31 August 1786), was an English peer and politician. He was the son of Henry Charles Howard (c. 1668–1720) and Mary Aylward (c. 1670–1747). He married Catherine Brockholes (before 1724–1784), daughter of John Brockholes, on 8 November 1739. He succeeded to the title of Duke of Norfolk in 1777 after the death of Edward Howard, 9th Duke of Norfolk. Charles Howard, 10th Duke of Norfolk died on 31 August 1786 at age 65. He was succeeded by his son, Charles Howard, 11th Duke of Norfolk.