Born ‎17-10-1892 Amsterdam, Netherland, died ‎30-3-1926 Amsterdam, Netherland‎, 33 or 34 years. Son of Abraham Koren and Jette Polak/ Ka‏

Born ‎15-4-1894 Amsterdam, Netherland‎, ‎1st marriage/ related to: Louis (Abraham) Koren/ Pola, ‎2nd marriage to: August Conrad Spruijt. Daughter of Mordechaij (Max) Lobo/ Dresde and Maria Mirjam (Mietje) Wolff/ Mo‏