Interactive tree of Otto Joseph Robert Block

Otto Joseph Robert Block 19011977
Else Oppenheim 18731945
Josef Block 18631943
Hugo Oppenheim 18471921
Anna Oppenheim 18491931
Margarethe Mendelssohn 18231890
Otto Georg Oppenheim 18171909
Alexander Mendelssohn 17981871
Marianne Seeligmann 17991880