| Parent | Name |
|---|---|
| Father | George G. Yantzer |
| Mother | Elisabeth Barth |
| Son: | George James Fleck | Born: 26 May 1964 | |
| Son: | Francis Darlin Fleck | ||
| Son: | David Peter Fleck | ||
| Daughter: | Vivian Elizabeth Fleck | Born: 18 Oct 1949 | |
| Son: | Leslie Emanuel Fleck | ||
| Daughter: | Ludmilla Ann Fleck | ||
| Daughter: | Victoria Clara Fleck | ||
| Son: | Nicholas Leonard John Fleck | ||
| Daughter: | Dolores Luella Fleck | ||
| Daughter: | Jennifer Diane Fleck | ||
| Son: | Alan Mathew Fleck | ||
| Son: | Peter Leo Fleck |