Father:
- Michael Kastler (*1887 - †?)
Mother:
- Anna Hörger (*1891 - †?)
Siblings:
- Christian Kastler (*1910 - †1910)
- Christian Kastler (*1912 - †1999)
- Elisabeta Kastler (*1914 - †?)
- Maria Kastler (*1915 - †1915)
- Michael Kastler (*1919 - †1919)
Wife:
- Elsa Mack (*1924 - †?)
Children:
- Anna Barbara Kastler (*1952)
- Annegret Kastler (*1956)
- Christa Kastler (*1957)
- Willi Kastler (*1959)
Branch:
Note:
a) GEDCOM file: Swabian Kastlers.ged