Pieter Krant and Sara Gans married in 1909 in Weesp. They had six children, among whom Meijer, Mozes, Sientje and the here mentioned Rebecca.
Stadsarchief Amsterdam, archiefkaart Pieter Krant
In addition, a Jokos file (number 32721) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.