His mother remarried to Heinrich Ballerstedt (a pharmacist) and settled in West Prussian Kulm (now Chełmno, Poland)
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His mother remarried to Heinrich Ballerstedt (a pharmacist) and settled in West Prussian Kulm (now Chełmno, Poland)
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-17 from Wikipedia. The archived copy is preserved so this citation survives link rot.