Born ‎9- Jul 1843 Oude Pekela-Groningen, Netherland‎. Son of Benjamin Calmers van der Berg/ Meije and Hanna Adolfs Meijer/ Lev‏

Born ‎24-7-1830 Leeuwarden-Friesland, Netherland, died ‎12-9-1857 Leeuwarden-Friesland, Netherland‎, 26 or 27 years, ‎1st marriage to: Salomon Cohen - ten Brink, ‎2nd marriage/ related to: Adolf van der Berg - Meijer. Daughter of Elias Elimelech Meijer Adelaar - Cats and Froukje Salomon Stibbe - Jacobs‏