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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