Father:
- Joseph G Kastler (*1866 - †1939)
Mother:
- Barbara Schuster (*1870 - †1950)
Siblings:
- Catherine Kastler (*1889 - †?)
- Olive Kastler (*1893 - †?)
- Hilarius Kastler (*1898 - †1898)
Wife:
- Eva M Mette (*1896 - †1992)
Children:
- Romaine E Kastler (*1918 - †1985)
- Valerie A Kastler (*1920 - †1966)
- James B Kastler (*1922 - †2003)
- Joseph G Kastler (*1924 - †?)
- Gloria M Kastler (*1926 - †?)
- Thomas G Kastler (*1928)
- Hilary Anthony (Larry) Kastler (*1932)
- Romen F (Frank) Kastler (*1934)
Branch:
Notes:
a) 1930 U.S. Census indicates father born in Germany, mother born in Ohio. The census also indicates he was an office clerk in an automobile factory (Detroit).
b) GEDCOM file: Detroit Kastlers.ged