Abraham Ossendrijver, son of Samuel Ossendrijver and Sara Zwart, had a brother Jacob and a sister Clara, who also have been killed during the Holocaust.
City Archive of Amsterdam, archive card of Samuel Ossendrijver .
In addition, a Jokos file (number 11387) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.