Abraham André Duitscher was the eldest of two children of Jacob Duitscher (who died in 1939; his mother survived the war). His parents had a night shop at de Weesperstraat 10.
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According to a list with shops of Jewish owners, compiled by the Amsterdam police in 1940, the mother of Abraham André Duitscher had a pastry shop, address: Weesperstraat 10 in Amsterdam.
Abstracts of the police archives which are currently at the Amsterdam municipal archives