Complex sentence: Hadmar II also erected from 1201 to 1208 the city of Weitra, because of the creation of this city, they are sometimes referred to in documents as "Lords of Kuenring-Weitra".
Split into simpler sentences: Hadmar II also erected from 1201 to 1208 the city of Weitra. Because of the creation of this city, they are sometimes referred to in documents as "Lords of Kuenring-Weitra".