Alfred Bernhard Siegheim died on 26 June 1943 in Westerbork transit camp and he was cremated on 28 June 1943. The urn with his ashes was placed on the Jewish cemetry in Diemen.
Register van joden die in het kamp Westerbork zijn gecremeerd, 1943-1944; archief van de gemeente Westerbork, opgenomen in het archief van de gemeente Midden-Drenthe te Beilen, inv. n 3789
A Liro card exists for this person or family. The original cards are kept at the Nationaal Archief (National Archive) at The Hague.