Ralph Montagu, 3rd Baron Montagu of Boughton (1638–1709), created Earl and then Duke of Montagu
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His descendants claimed a connection with the older house of Montagu or Montacute, Barons Montagu and Earls of Salisbury, but there is no sound evidence that the two families were related.
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He was also the brother of Henry Montagu, later created Earl of Manchester, and of Sidney Montagu, ancestor of the Earls of Sandwich.
In 1827,the 5th Duke of Buccleuch inherited the Honour through his grandmother, the 3rd Duchess, but this was entailed upon his uncle, Henry James Montagu-Scott, 2nd Baron Montagu of Boughton.
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Lord Henry Douglas-Scott-Montagu, great-nephew of the 2nd Baron Montagu of Boughton, and second son of the 5th Duke of Buccleuch, inherited the Honour in 1845.
Baron | William Cecil, 1st Baron Burghley | baron | Sacha Baron Cohen | Joseph Lister, 1st Baron Lister | Joey Baron | Robert Baden-Powell, 1st Baron Baden-Powell | Henry Brougham, 1st Baron Brougham and Vaux | Guy Carleton, 1st Baron Dorchester | John Montagu, 4th Earl of Sandwich | William Wallace, Baron Wallace of Saltaire | William Tyssen-Amherst, 1st Baron Amherst of Hackney | Lady Mary Wortley Montagu | James Mackay, Baron Mackay of Clashfern | Hercules Robinson, 1st Baron Rosmead | George Brydges Rodney, 1st Baron Rodney | Beechcraft Baron | Thomas Seymour, 1st Baron Seymour of Sudeley | Thomas Denman, 1st Baron Denman | Stuart Rendel, 1st Baron Rendel | Norman Foster, Baron Foster of Thames Bank | John Moore-Brabazon, 1st Baron Brabazon of Tara | Charles Cochrane-Baillie, 2nd Baron Lamington | Charles Calvert, 5th Baron Baltimore | Benedict Calvert, 4th Baron Baltimore | Baron Hans Heinrich Thyssen-Bornemisza | William Ponsonby, 1st Baron Ponsonby | Walter Rothschild, 2nd Baron Rothschild | Sidney Herbert, 1st Baron Herbert of Lea | Robert Napier, 1st Baron Napier of Magdala |
One of the Montagu family titles was revived in the person of Lord Brudenell when he was created Baron Montagu, of Boughton in the county of Northampton, on 8 May 1762.