sentences:  In late 1245 Swantopolks's army suffered a great defeat at S(ch)wetz Świecie, and another one in early 1246, where 1,500 Pomeranians were killed.Swantopolk II asked for a truce and Pope Innocent IV appointed his chaplain, Jacob of Liège, the future Pope Urban IV, to handle the peace negotiations.However, the war was renewed in 1247 when large Teutonic reinforcements arrived in Prussia.