Wratislaus of Brno, Duke of Moravia, was the Duke of Moravia for twenty years - between 1125-1129 and 1130 - 1146 ). He was the first son and successor of Ulrich I, of Brno and unknown princess. He did not succeed as half monarch of Moravia, for all half of Moravia as his father Ulrich I, but Brno was alreadydivided into two parts: Brno and Znojmo and his father Ulrich was co-monarch in this part with his uncle Luitpold of Znojmo. Both brothers together later established a benedictinecloister and its St. Procopius Basilica in Třebíč and prepared as mausoleum for Brno-Znojmo branch House of Přemyslid. Wratislaus himself probably initiatedthe establishment of the Royalcathedral chapter of St. Peter and Paul in Brno, formally created later in 1292. He had long ruled over Moravia for 20 years, once interrupted by illegitimate regency: By his marriage to a Russian princess, he probably had two children:
Spytihněv of Brno, Duke of Moravia from 1125 to 1129 and from 1130 to his death in 1146
Wratislaus initially ruled in the Brno part of the duchy of Moravia, until 1129 when they were evictedillegitimately by Bretislaus II. Later they enforced a return of the Brno part of the Moravian duchy - according to the principles of agnatic seniority. After they returned to the duchy of Brno, the brothers divided it into two subparts named Brno and Znojmo, where they continued to reign in certain local territorial union. In 1104 his father and uncle together founded a Benedictine abbey in Třebíč whose convent church of St. Procopius was intended as their own dynastic mausoleum where they were both buried. Moravian lines of Přemysl dynasty as a whole were systematically associated with dynastic marriages with princesses of major royal and ducal dynasties, members of Brno line were associated Rurik dynasty, specially Wratislaus was 1132 spoused with princess of House of Rurik Members of the Moravian dynasty were fully predisposed to take over the central throne in Prague, under the principles of agnatic seniority.
