| Family Tree Collection | Main index A-Z | Total index | Names | Index places | Hakker | 
| Family page | 
| Isaac Koopman
 to: Schoontje Jacobs | 
| 1) Rosette Isaac Koopman, birth 3 Sep 1916 Amsterdam, died 21 May 1943 Sobibor living Amsterdam, occupation: seamstress
 to: Hijman Abraham Viskoper, birth 6 Jul 1913 Amsterdam, died 21 May 1943 Sobibor living Amsterdam, occupation: baker, son of Abraham Machiel Viskoper and Mietje Alexander Waterman |