 The definite partitioning of the Duchy of Saxony into Saxe-Lauenburg (), jointly ruled by the brothers Albert III, Eric I and John II and Saxe-Wittenberg (), ruled by Albert II took place before 20 September 1296.The Vierlande, Sadelbande (Land of Lauenburg), the Land of Ratzeburg, the Land of Darzing (today's Amt Neuhaus), and the Land of Hadeln are mentioned as the separate territory of the brothers.Duke Albert II received the Wittenberg lands around the eponymous city, Brehna and Gommern.