Robert Spencer, 4th Earl of Sunderland
Robert Spencer, 4th Earl of Sunderland (24 October 1701 – 15 September 1729) was a British peer from the Spencer family, the son of the Whig politician, Charles Spencer, 3rd Earl of Sunderland. His mother was Lady Anne Churchill, the daughter of John Churchill, 1st Duke of Marlborough and Sarah Churchill, Duchess of Marlborough. Known as Lord Spencer between 1702 and 1722, he succeeded to the Earldom after his father's death in, but died in 1729 with no children. Therefore, his brother, Charles, became 5th Earl of Sunderland, and subsequently 3rd Duke of Marlborough after the death of his aunt, Henrietta Godolphin (née Churchill), 2nd Duchess of Marlborough.
Robert Spencer was the potential heir to the dukedom of Marlborough.
- 24 October 1701 – 28 September 1702: The Honourable Robert Spencer
- 28 September 1702 – 19 April 1722: Lord Spencer
- 19 April 1722 – 15 September 1729: The Right Honourable The Earl of Sunderland
- Henry L. Snyder, ‘Spencer, Charles, third earl of Sunderland (1675–1722)’, Oxford Dictionary of National Biography, Oxford University Press, Sept 2004; online edn, May 2006 accessed 8 Sept 2007
|Peerage of England|
|Earl of Sunderland
1722 – 1729