Aäron van Praagh was married to Judith van Praagh-Polak. The couple lived at 44 Emmastraat in Rijswijk. When they were picked up together with their child, the SD stole a few items of jewellery from them. Aäron van Praagh's child survived the war.
The archive of the Stichting Sieraden-Comité contains a list of the stolen items of jewellery, a declaration under oath and a statement of the right to inheritance.
NIOD, Records Stichting Sieraden-Comité, box HF 11, file 157
These persons are listed as residing at the same address. The source does not provide information about how they were related to one another.
In addition, a Jokos file (number 18000) on this household is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.