Isaäc Speijer was the son of Jacob Speijer and Sophia Agsteribbe.
He married Marainne Schenkkan in 1910. The couple had three children: Esther, Sophia and one child that survived the war.
Amsterdam Municipal Archives; record card of Isaäc Speijer
The third child in this family was married and live…
In addition, a Jokos file (number 15775) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.