sentences:  While the division was a Landwehr formation, at the beginning of the war it also had an attached Ersatz infantry brigade, made up of cadres from various regimental replacement battalions (this brigade was dissolved in September 1914).The division was primarily raised in the Prussian provinces of Posen, Lower Silesia, and West Prussia.The division was disbanded in 1919 during the demobilization of the German Army after World War I.