Born ‎± 1830 Amsterdam, Netherland‎. Daughter of Wolf Eliazer Letterzetter and Roosje Salomon Knokker‏

Born ‎16-4-1816 Amsterdam, Netherland, died ‎after 1882‎, at least 66 years, ‎1st marriage to: Schoontje Abraham Wijnberg - van Collem, ‎2nd marriage to: Fijtje Wolf Letterzetter - Knokker. Son of Alexander Sander Juda Kroonenberg - Benjamin and Betje David Fransman‏