Jacob Verduin was a son of Levie Abraham Verduin and Vrouwtje Philip Rood. Jacob has a brother Isaac, Barend and a sister Grietje, who was married to Juda Polak. Jacob married in Amsterdam on 25 January 1900 to Sientje Polak. The couple had five children: Sophia, Isidore, Sara, Rosette and Elisabeth.
City Archive of Amsterdam, archive card of Jacob Verduin.