| Family Tree Collection | Main index A-Z | Total index | Names | Index places | Behr | 
| Family page | 
| Louis Coster
 to: Kaatje van Been | 
| 1) Isaac Coster, birth 25 Nov 1905 Rotterdam, died 20 Jan 1945 Commando Ohrdruf Rotterdam , Aert van Nesstraat 10a Musicus to: Betje Behr, birth 25 Nov 1908 Groningen, died 11 Feb 1944 Auschwitz, daughter of Izak Behr and Engel Simmeren |