I found the following records about Great Uncle Chiel:
https://collections.arolsen-archives.org/en/archive/10984716/?p=1&a...
In the sub-collection containing the documents from Flossenbuerg concentration camp which can be matched to a specific male prisoner. They include prisoner registration cards, personal effects cards, money account cards, post control cards, labor assignment cards, transport cards and death certificates, for example.
His signature is on the card...
