Joined Cases C-424/10, Tomasz Ziolkowski v. Land Berlin, and C-425/10, Barbara Szeja, Maria-Magdalena Szeja, Marlon Szeja v. Land Berlin, Judgment of the Court of Justice ( - Common Market Law Review View Joined Cases C-424/10, Tomasz Ziolkowski v. Land Berlin, and C-425/10, Barbara Szeja, Maria-Magdalena Szeja, Marlon Szeja v. Land Berlin, Judgment of the Court of Justice ( by - Common Market Law Review Joined Cases C-424/10, Tomasz Ziolkowski v. Land Berlin, and C-425/10, Barbara Szeja, Maria-Magdalena Szeja, Marlon Szeja v. Land Berlin, Judgment of the Court of Justice ( 49 6 Common Market Law Review