Jacob Michelsohn grain controller by trade and born in Bausk (Russia), was a son of Leib (Levie) Michelsohn and Jette Horowitz. He arrived in Rotterdam in 1906 and was registered at Lijnbaanstraat 28. After having lived at another four addresses, Jacbob left in September 1911 for Amsterdam Blasiusstraat 47 but returned already in Rotterdam after about five weeks, where he married Malia Hartog fro…