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Gustav Proposch
GP
Gustav
Proposch
1865–1948
GP
Gustav
Proposch
d. 1961
HP
Herbert
Proposch
d. 1956
AP
Adolph
Proposch
d. 1963
WP
Wilhelm
Proposch
d. 1970
Heinrich
Proposch
d. 1958
CK
Catherina
Koehler
1870–1964