Addition

Widow Sophia Schuijer-Blitz and her family

Sophia and Esther Blitz were sisters. Together with Alida they were the daughters of Hartog Blitz and Elisabeth van Minden.
Amsterdam Municipal Archives; family card of Esther Blitz

In addition, a Jokos file (number 53318) on this household is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.