Robert Montagu, 3rd Duke of Manchester

Robert Montagu, 3rd Duke of Manchester ( – 10 May 1762) was a British politician who sat in the House of Commons from 1734 until 1739 when he succeeded to the peerage as Duke of Manchester.

Early life Montagu was the son of Charles Montagu, 1st Duke of Manchester (1662–1721/2) and the former Hon. Dodington Greville (1671/2–1720/1). His elder brother was William Montagu, 2nd Duke of Manchester (who married Lady Isabella Montagu eldest daughter of John Montagu, 2nd Duke of Montagu and Lady Mary Churchill), Lady Charlotte Montagu (who married Pattee Byng, 2nd Viscount Torrington), and Lady Doddington Montagu. As Lord Lieutenant he personally served as Colonel of the Huntingdonshire Militia when it was reformed in 1759.

From 1735 to 1737, he served as Vice-Chamberlain to the Queen Consort. and Lord Chamberlain to Queen Charlotte from 1761 until his death in 1762.

Personal life On 3 April 1735, Montagu was married to Harriet Dunch, daughter and co-heiress of Edmund Dunch and his wife Elizabeth Godfrey, a noted beauty. She was a sister-in-law of Hugh Boscawen, 1st Viscount Falmouth and niece of John Churchill, 1st Duke of Marlborough. Together, Harriet and Robert were the parents of:

George Montagu, 4th Duke of Manchester (1737–1788), who married Elizabeth Dashwood (1740–1832), eldest daughter of Sir James Dashwood, 2nd Baronet, in 1762. Lord Charles Greville Montagu (1741–1783), who married Elizabeth Bulmer, a daughter of James Bulmer, in 1765. Lady Caroline Montagu (d. 1818), who married Charles Herbert, grandson of Thomas Herbert, 8th Earl of Pembroke, in 1775. Lady Louisa Montagu, who died unmarried.

The 3rd Duke of Manchester died on 10 May 1762 leaving four children.