| Parent | Name |
|---|---|
| Father | Lucius Q. C. Jr. Lamar |
| Mother | Virginia Lafayette Longstreet |
| Son: | Joseph Heiskell | Born: 1881 | |
| Son: | Lamar Heiskell | Born: 1883 | |
| Daughter: | Virginia Longstreet Heiskell | Born: 1885 | |
| Son: | Hugh McKinney Heiskell | Born: 1888 | |
| Son: | Augustus Longstreet Heiskell | Born: 1890 |