| Butler, William John | 1911-33 |
| Southwell, John (ii) | before 1804–1844 |
| Southwell, William | 1781–c. 1815 |
Musical instrument maker: piano
| Butler, William John | 1911-33 |
| Southwell, John (ii) | before 1804–1844 |
| Southwell, William | 1781–c. 1815 |