Born ‎7- Feb 1887 Groningen-Groningen, Netherland, died ‎24-10-1918 Groningen-Groningen, Netherland‎, 30 or 31 years. Son of Jacob de Jonge - Cohen and Emilie Boasson - Seckel‏

Born ‎12-5-1890 Groningen-Groningen, Netherland, died ‎21-10-1918 Groningen-Groningen, Netherland‎, 27 or 28 years. Daughter of Heiman van Geuns - de Jong and Reina Haag - Cohen‏