Benjamin Leezer was a cattle dealer. His business was on the Nieuwe Huizen in Assen.
F.J. Hulst and H.M. Luning, De joodse gemeente Assen. Geschiedenis van een behoorlijke Kille, 1740-1976 (Assen 1993)
This person is commemorated on a memorial in Assen. More information on this memorial can be found (in Dutch) on the website of the Nationaal Comité 4 en 5 mei.