Nathan Philip Oesterman and his wife Debora Oesterman-Theeboom lived at 91 Geldersekade in Amsterdam. On the Geldersekade and at the Janssen company at 53 1ste Constantijn Huygensstraat in Amsterdam, jewelry belonging to the Oesterman family was confiscated by the Grüne Polizei.
The archive of the Stichting Sieraden-Comité contains a list of stolen items of jewelry and a statement of the right to inheritance from 1959.
//Amsterdam municipal archive, Records Jokos, Möbel-claim 18616, property Joods Maatschappelijk Werk;
NIOD, Archief Stichting Sieraden-Comité, file HF-22 (NIOD film 580, nr 1222)//
In addition, a Jokos file (number 18616) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos file reveals that a claim was lodged for compensation for valuables surrendered to the Lippmann-Rosenthal looting bank (L-claim, number 8958/6745).