Joseph Roodenburg was a son of David Roodenburg and Hendrika Engelsman. He had six other siblings, namely Hijman, Sara, Geesje, Abraham, Benjamin en Matthijs. Hijman, born 4 May 1895 passed 13 May 1931; Sara and Matthijs survived the war, just as Geesje Roodenburg. Her husband Andries Wurms and two …