Born ‎6 Nov 1891 Amsterdam,Netherland, died ‎4 Mar 1934 Amsterdam,Netherland‎, 42 years. Occupation: Peddlar. Son of Joseph Hermanus Fredrikstadt and Rebecca Metz - Walvis‏

Born ‎2 Jun 1894 Amsterdam,Netherland, died ‎8 Oct 1942 Auschwitz‎, 48 years, ‎1st marriage to: Lion Joseph Frederikstadt - Metz, ‎2nd marriage/ related to: Isaac van Kreveld - Barmhartigheid. Daughter of Machiel Abraham Groenteman - Loonstijn and Fijtje Jacob Speijer - Blindeman‏