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Leonard Polak, birth 2 Mar 1865 Veendam, died 30 Apr 1943 Sobibor (Polen), occupation: Handelsagent, son of Calmer Polak and Sophia Knorringa
Married 21 Aug 1900 Zutphen to: Rafeltje Vles, birth ± 1869, daughter of Jacob Joseph Vles and Elisabeth van Meer |
| 1) Jacobus Henri Polak, birth 5 Mar 1903 Amsterdam, died 9 Apr 1943 Sobibor (Polen), occupation: Kantoorbediende |
| 2) Johan Polak, birth 25 Jul 1908 Amsterdam, died 2 Jul 1943 Sobibor (Polen) |