| Family Tree Collection | Main index A-Z | Total index | Names | Index places | Hakker | 
| Family page | 
| Alexander Abraham Viskoper, birth 31 Jan 1918 Amsterdam, died 11 Jun 1943 Sobibor living Amsterdam, occupation: presser of clothing, son of Abraham Machiel Viskoper and Mietje Alexander Waterman
 to: Greta Israel Blom, birth 14 May 1920 Amsterdam, died 11 Jun 1943 Sobibor living Amsterdam, daughter of Israel Blom and Marianne van Velzen | 
| 1) Abraham Alexander Viskoper, birth 9 Dec 1938 Amsterdam, died 11 Jun 1943 Sobibor |