Schoontje de Wied was a daughter of Louwie de Wied and Saartje de Gelder. She married Hartog Cousin in 1936 in Arnhem.
Stadsarchief Amsterdam, archiefkaart Schoontje de Wied
In addition, a Jokos file (number 17520) 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 2295/3613).