Robert Montagu, 3rd Duke of Manchester (c. 1710 – 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.
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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.
His paternal grandparents were Robert Montagu, 3rd Earl of Manchester and the former Anne Yelverton (a daughter of Sir Christopher Yelverton, 1st Baronet). His maternal grandparents were Robert Greville, 4th Baron Brooke (son of Robert Greville, 2nd Baron Brooke) and the former Anne Dodington (daughter and heiress of John Doddington of Breamore, MP for Lymington). After his grandfather's death, his grandmother remarried to Thomas Hoby.
Career
On 28 April 1719, his father, then the 4th Earl of Manchester, was created the Duke of Manchester by King George I. Upon his father's death, his elder brother succeeded as the 2nd Duke of Manchester.



