Familie: Gary Louis Gerdes / Angie Rathborn (F272)
 | Heinrich Diedrich Gerdes (1926-2020) 
|
Louise Mariechen Bernhardine Niemann (1927-2005)
|
| Mark Robert Gerdes (1967-1983) |
| Gary Louis Gerdes (1959-2014)
|
| Christina Gerdes (1982-2015) |
Joseph Mark Gerdes (1984- )  |