Marcus Blog was a son of Levie Blog and Sara van Collem. He married Schoontje Hekster in Amsterdam on 12 September 1917, a daughter of Philip Hekster and Jansje Turfrijer.
His siblings Rachel, Samuel, David, Elizabeth, Jacob and Debora have been killed too in the Holocaust.
City Archive of Amsterdam…
In addition, a Jokos file (number 14276) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.