Abraham Albert Blitz is the son of 450698 and his wife Ester Frenk, who died in 1931. He died due to the bombing of Rotterdam. Redactie Digitaal Monument stamboom Rotterdam
In addition, a Jokos file (number 37603) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.