Family: WASHINGTON, John E. / TREADWAY, Louisa (F11333)
 | TREADWAY, William Thomas (1819-1912) |
 | MCHENRY, Mary (1819-1878) |
| TREADWAY, Joseph B. (1863- ) |
| TREADWAY, James (1857- ) |
| TREADWAY, Margaret (1852- ) |
| TREADWAY, Jefferson Vallendeghan (1863- ) |
| TREADWAY, Nancy J. (1855- )  |
| TREADWAY, John (1859- ) |
| TREADWAY, Mary J. (1854- ) |
| TREADWAY, Jacob (1851- ) |
| WASHINGTON, John E. (1860- ) |
| TREADWAY, Louisa (1861- ) 
|