 It was created in the partition of territories in Mecklenburg that followed the death of Henry Borwin II of Mecklenburg (died 1226).The royal ("fürstlich" in German) House of Werle was a spur line of the House of Mecklenburg line of the Obotrites.The Fiefdom of Werle lay in the area around Güstrow in today's Mecklenburg-Western Pomerania, Germany, and stretched eastward to Müritz.