 However, before the negotiations were completed, Bolesław married Salome von Berg-Schelklingen, and Włostowic himself married another daughter of Sviatopolk, Maria.After having tricked Wołodar and married to Maria, Włostowic was ordered to construct seven churches as reconciliation.But he built 70 churches and 30 convents, and that led to nicknaming a type of romanesque churches in Poland as 'Dunin's churches' (from Peter's nickname, Dunin).