Born ‎5-12-1915 Amsterdam, Netherland, died ‎20-5-1968 Frankfurt, Germany‎, 52 or 53 years. Son of David Groen - Lakmaker and Jetje van Tijn - Schaap‏

Born ‎20-3-1909 Leeuwwarden, Netherland, died ‎30-10-1998 Amsterdam, Netherland‎, 88 or 89 years. Daughter of Benjamin Beike Marcus Cohen - van Coevorden and Grietje de Wilde - Duparc‏