John Russell, 4th Duke of Bedford (30 September 17105 January 1771) was an 18th-century
British . He was the fourth son of
Wriothesley Russell, 2nd Duke of Bedford, by his wife, Elizabeth, daughter and heiress of John Howland of Streatham, Surrey. Known as
Lord John Russell, he married in October 1731
Diana Spencer, daughter of
Charles Spencer, 3rd Earl of Sunderland; became
Duke of Bedford on his brother’s death a year later; and having lost his first wife in 1735, married in April 1737 Lady Gertrude Leveson-Gower (died 1794), daughter of
John Leveson-Gower, 1st Earl Gower.