| Pascoe Grenfell 1761-1838 | Whig | Great Marlow, Buckinghamshire. | 1802-1820 | Governor of the Royal Exchange Assurance Company 1829-1838 |
| Pascoe Grenfell 1761-1838 | Whig | Penryn, Cornwall. | 1820-1826 | |
| Charles Pascoe Grenfell 1790-1867 | Liberal | Preston, Lancashire. | 1847-1852 | Director of the Bank of England 1830-1864 |
| Charles Pascoe Grenfell 1790-1867 | Liberal | Preston, Lancashire. | 1857-1865 | |
| Charles William Grenfell 1823-1861 | Liberal | Sandwich, Kent. | 1847-1852 | |
| Charles William Grenfell 1823-1861 | Liberal | Windsor, Berkshire. | 1852-1859 | |
| Henry Riversdale Grenfell 1824-1902 | Liberal | Stoke on Trent, Staffordshire. | 1862-1868 | Governor of the Bank of England 1881-1883 |
| William Henry Grenfell 1855-1945 | Liberal | Salisbury, Wiltshire | 1880-1886 | Later Lord Desborough |
| William Henry Grenfell 1855-1945 | Conservative | Hereford, Herefordshire | 1892-1905 | |
| Cecil Grenfell 1864-1924 | Liberal | Bodmin, Cornwall. | 1910 | |
| Edward Charles Grenfell 1870-1941 | Unionist | City of London. | 1922-1935 | Later Lord St Just in Penwith |
| David Rhys Grenfell 1881-1968 | Labour | The Gower, South Wales. | 1922-1959 | Minister for Mines in World War II, Father of the House 1953-1959 |
