David Hanouwer and Clara Koppel married in 1915 in Zutphen.
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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 18069) on this household 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 4747/1750).