Alfred Leven

In Jewish Residents List he and sister Bertha the only LEVENs in Dinslaken:
https://www.mappingthelives.org/bio/ad32e51f-6cf7-42e3-8e12-069edb7...

Leven, Alfred
born on the 18th September 1902
in Düren/Rheinprovinz

residing in Düren / Düren and
in Dinslaken and
in Hamburg

Internment/Arrest
10th November 1938 - 16th November 1938,
Dinslaken, Gefängnis
17th November 1938 - 10th January 1939,
Dachau, Konzentrationslager
Deportation
from Hamburg
25th October 1941, Litzmannstadt (Lodz), Ghetto
03rd May 1942, Kulmhof (Chelmno), Vernichtungslager
Date of death
03rd May 1942
Place of death
Kulmhof (Chelmno), Vernichtungslager

cf.: https://www.wikiwand.com/de/Liste_der_Stolpersteine_in_Hamburg-Eppe...