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Wilhelm Carl Ferdinand Martens
Bertha
Martens
1881 – 1971
CM
Carl
Martens
1851 – 1907
EB
Ernestine
Burow
1862 – 1938
Wilhelmine
Martens
1891 – 1963
WM
Wilhelm
Martens
1885 – 1932
HB
Helena
Bobbermein
1888 – 1948
GM
George
Martens
1913 – 1962
+5 more