After escaping persecution to relocate 16 miles away to Memel in the German Empire, Isidor changed his surname to the still Yiddish, but Germanized with a Slavic twist, Suchedowitz, where Suched+o+witz resembles the Polish name (Slavic) construction structure of [root]+wicz with o in between when the last letter of the root is d, t, h, n, etc.,