Samuel Slager and Marianne Kannegieter had two children, who both lived at other addresses during the war. One child survived the war. Their son Julius Slager didn't survive the war.
In 1932 Samuel Slager and Marianne Kannegieter moved to Rotterdam where they owned a Jewish boarding house. At first the couple lived at the Beukelsdijk, later they moved to the Claes de Vrieslaan, also in Rotterdam.…