| Generation 1 | |
| [1.01 2] James William Simpson (1878-1940) | TX-OK |
| Generation 2 | |
| [1.02* ] William James Simpson (1846-1924) | SC-MS-OK |
| [2.01 3] Elizabeth Turner McCord (1847-1922) | SC-MS-TX |
| Generation 3 | |
| [2.02* ] John McCord (1820-1906) | SC-TX |
| [3.01* ] Sarah Esters (1825-1863) | SC-MS |
