Individual Details
Living
( - )
Families
| Spouse | Living |
| Child | Living |
| Child | Living |
| Father | Dr. John Logan Engvall Sr. (1938 - 2013) |
| Mother | Martha Lee Heinen ( - ) |
( - )
| Spouse | Living |
| Child | Living |
| Child | Living |
| Father | Dr. John Logan Engvall Sr. (1938 - 2013) |
| Mother | Martha Lee Heinen ( - ) |