Eliau Haïm Credo and Rica Hijmans married in 1907 in Antwerpen. They had two children, among whom Abraham.
Stadsarchief Amsterdam, archiefkaart Eliau Haim Credo
In addition, a Jokos file (number 30959) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.