| Family Tree Collection | Main index A-Z | Total index | Names | Index places | Hakker | 
| Family page | 
| Joseph Blok
 to: Hanna Benavente | 
| 1) Sara Joseph Blok, birth 21 Jul 1905 Den Haag, died 30 Sep 1942 Auschwitz living Den Haag
 to: Hartog Samuel Hakker, birth 12 Jan 1912 Vlaardingen, died 30 Sep 1942 Auschwitz living Den Haag, occupation: warehouse-clerk, storekeeper, son of Samuel Abraham Hakker and Bertha Hartog Alter | 
| 2) Marcus Joseph Blok, birth 10 Jun 1912 Den Haag, died 31 Jan 1944 Auschwitz living Den Haag, occupation: furrier, shop-servant, seller
 to: Rebecca Samiuel Hakker, birth 12 Jan 1912 Vlaardingen, died 11 Jun 1943 Sobibor living Den Haag, occupation: branch-keeper, daughter of Samuel Abraham Hakker and Bertha Hartog Alter |