Edward Montagu, 3rd Earl of Sandwich (10 April 1670 – 20 October 1729) was born in Burlington House, London, England to Edward Montagu, 2nd Earl of Sandwich and Lady Ann Boyle. He was styled Viscount Hinchingbrooke from 1672 until his accession to the earldom in 1688. On 8 July 1689 he married Elizabeth Wilmot, daughter of John Wilmot, 2nd Earl of Rochester and Elizabeth Malet. They had two children, Elizabeth, who died as an infant, and Edward Richard Montagu, Viscount Hinchingbrooke (7 July 1692 – 3 October 1722), who predeceased his father.