Father:
- Anton Kastler (*1842 - †1929)
Mother:
- Maria Hackl (*1847 - †1919)
Siblings:
- Maria Kastler (*? - †?)
- Theresia Kastler (*1884 - †?)
Wife:
- Katharina Proksch (*1902 - †?)
Children:
- Josef Kastler (*1921 - †1921)
- Rosa Kastler (*1922 - †?)
- Johannes Kastler (*1928)
- Franz Kastler (*1933)
Branch:
Note:
a) GEDCOM file: Austrian Kastlers.ged