Clotilde Wiener was the daughter of Jacob Benjamin Wiener and Maartje van Witsen. She married Lucien Picart in Rotterdam on 17 May 1881. The couple had three children, among whom Jacques Bernard and Annette Hertense.
Amsterdam Municipal Archives; record card of Clotilde Wiener
In addition, a Jokos file (number 53876) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.