Wirpirk of Tengling
Conrad came to power over Moravia gradually . King Vratislaus II of Bohemia naturally did not like it and besieged Brno in 1091 . But it came to rebellion in the royal army , led by King's son Břetislaus . 
<triplet> Oldřich (or Ulrich) <subj> Luitpold, prince of Znojmo <obj> sibling <triplet> Luitpold, prince of Znojmo <subj> Oldřich (or Ulrich) <obj> sibling