 Jacob Groenberg- ZilverbergBorn 20-11-1899 Zwolle, Netherland, died 24-10-1941 Mauthausen, Austria, 41 or 42 years. Son of Abraham Nathan Groenberg - van Wien and Mietje Zilverberg - Cohen Married (divorced) to:  Sara Schaap - GobasBorn ± 1909 Hilversum, Netherland. Daughter of Hartog Schaap - van de Beets and Johanna Gobas - Marcus | |