Karl Weisz, born 25 February 1906 in Schoten and Johannes Weisz, born 8 February 1914 in Heerenveen, were natural sons of the unmarried mother Johanna Helena Weiss, a daughter of Karl Weis and an unknown mother. Johanna was born ±1880 in Klein Osterhausen in Germany and died at the age of 49 at 2 April 1929 in Middelburg.
Johanna Helena Weiss belonged to the Sinti and Roma and according to the reg…