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Adolph Friedrich Paul Proposch
GP
Gustav
Proposch
1865–1948
Gustav
Proposch
d. 1961
Herbert
Proposch
d. 1956
AP
Adolph
Proposch
d. 1963
Wilhelm
Proposch
d. 1970
IP
Irene
Proposch
d. 1921
CK
Catherina
Koehler
1870–1964