In 1798, the house and estate were bought by the Jamaican-born Manasseh Masseh Lopes, the son of a rich plantation owner, whose family later gained the title of Baron Roborough: their seat remained at Maristow until 1938.
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 | William Wallace, Baron Wallace of Saltaire | William Tyssen-Amherst, 1st Baron Amherst of Hackney | 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 | Martin Conway, 1st Baron Conway of Allington | John Reith, 1st Baron Reith |
The Lopes family, descendents of Jamaican-born Tory Member of Parliament and Baronet of Sephardic-Jewish Portuguese origin Sir Manasseh Masseh Lopes, 1st Baronet, lived in Roborough and acquired the title Baron Roborough in the twentieth century, after moving from nearby Maristow House on the River Tavy and before relocating to Gnaton, a smaller mansion on the coast near Noss Mayo.