Samson Polak was the son of Barend Polak. He lived with his wife Frieda Polak-Grüneberg at 16 Johan Keplerstraat in Amsterdam.
The archive of the Stichting Sieraden-Comité contains a statement of the right to inheritance among other things.
NIOD, Records Stichting Sieraden-Comité, box HF 11, file 156
Biography