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Wilhelm Ritter
JR
Johann
Ritter
1873–1944
ER
Erna
Ritter
d. 1906
WR
Wilhelm
Ritter
1837–1913
DH
Dorothea
Holzgrafe
HR
Heinrich
Ritter
d. 1941
ER
Edward
Ritter
d. 1884
RR
Rudolph
Ritter
d. 1958
CR
Charles
Ritter
d. 1878