Jacob van Arend was a son of Nathan Manuel van Arend and Hester Drielsma. 8 May 1890 he married Betje Elsas in Dordrecht, a daughter of Jacob Elsas and Leentje Swaab. The couple had eleven children, of whom five children have died in childhood. The other six children, namely Jacob, Levie, Wolf, Leentje, Mozes and Hester have been killed in the Shoah.
After their marriage, the couple lived in Rotte…