| Father | Washington/William Hewitt ISENBERG (1853 - 1937) |
| Mother | Catherine/Katherine SMITH (1856 - 1919) |
| Sibling | A. Porter ISENBERG ( - ) |
| Sibling | B. Frank ISENBERG ( - 1937) |
| Sibling | Rev. Carl W. ISENBERG ( - ) |
| Sibling | Emory N. ISENBERG ( - 1937) |
| Sibling | James S. ISENBERG ( - ) |
| Sibling | Margaretta ISENBERG ( - ) |
| Sibling | Martin U. ISENBERG ( - ) |
| Sibling | Paul Z. ISENBERG ( - ) |
| Sibling | Milton Sangree ISENBERG (1884 - 1950) |
| Sibling | John Nevin ISENBERG (1887 - 1922) |
| Sibling | Ella Irene ISENBERG (1899 - 1986) |
| Sibling | Edwin Hoy ISENBERG (1902 - ) |