Hartog Lopes Cardozo and Catharina Kapper married in 1901 in Amsterdam. Besides the here mentioned children they had a son Izaak.
Stadsarchief Amsterdam, archiefkaarten Catharina Kapper and Izaak Lopes Cardozo
In addition, a Jokos file (number 9661) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.