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Harbert Gustav Herman Grulke
SO
Sophia
Oppermann
1869–1930
HG
Hermann
Grulke
1866–1940
Gustav
Grulke
1904–1966
Frieda
Grulke
1900–1969
HG
Harbert
Grulke
1898–1949
Wilhelm
Grulke
1896–1964
Martha
Grulke
1894–1919