Marie Volberg
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Martin Bergdoll
1846-1918
1846-1918
Katharina Erhardt
1844-1931
1844-1931
Johannes Heinrich Volberg
1880-1948
1880-1948
Anna Bergdoll
1880-1951
1880-1951
Peter Henry Volberg
1905-1998
1905-1998
Madeline P. Zimmer
1907-1983
1907-1983