| Family Tree Collection | Main index A-Z | Total index | Names | Index places | Hakker | 
| Family page | 
| Salomon van Lochem
 to: Keetje Wittenburg | 
| 1) Leentje van Lochem, birth 6 Jun 1900 Amsterdam, died 12 Oct 1942 Auschwitz
 to: Nathan Israel Hakker, birth 7 Jun 1900 Amsterdam, died 31 Jan 1943 Auschwitz, occupation: frame-maker, son of Israel Salomon Hakker and Grietje Marcus Witsenhausen |