Julia Vecht was a daughter of Abraham Vecht and Saralina Kannegieter, a family with three children, among them Salomon and Elias, who has died in childhood. Julia married in Rotterdam on 17 August 1921 to Simon Jacob Kuyper, who survived the Holocaust. The couple had three children: Jacob Abraham, Celina Johanna and Hans. Only Hans survived the war.
Municipal Archive of Rotterdam, index marriages …