▁home ▁in ▁Java ▁to ▁be ▁educated ▁further ▁in ▁Wat ug al uh ▁court , ▁Med ang , ▁East ▁Java , ▁under ▁the ▁patron age ▁of ▁his ▁uncle , ▁king ▁D har ma w ang sa . ▁Air lang ga ▁was ▁bet ro th ed ▁to ▁his ▁cousin , ▁one ▁of ▁D har ma w ang sa ' s ▁daughter , ▁thus ▁arranged ▁marriage ▁was ▁in ▁place . ▁At ▁that ▁time , ▁Med ang ▁had ▁become ▁a ▁powerful ▁kingdom , ▁al lied ▁or ▁probably ▁sub j ug ated ▁B ali , ▁and ▁had ▁established ▁a ▁col ony ▁in ▁West ▁Kal im ant an . ▁D har ma w ang sa ▁asp ired ▁to ▁asc end ▁Med ang ▁as ▁regional ▁power ▁by ▁challeng ing ▁S riv ij aya ▁Empire ▁dom ination . ▁In ▁ 9 9 0 ▁he ▁launched ▁naval ▁invasion ▁against ▁S riv ij aya ▁and ▁un success fully ▁tried ▁to ▁capture ▁Pale mb ang . ▁S riv ij aya ▁res il ient ly ▁succeed ▁on ▁rep elling ▁J avan ese ▁Med ang ▁inv aders . ▁ ▁The ▁Cal cut ta ▁Stone ▁ins cription ▁( dated ▁from ▁ 1 0 4 1 ▁CE ), ▁describes ▁a ▁terrible ▁cal am ity ▁which ▁bef ell ▁the ▁East ▁J avan ese ▁kingdom ▁of ▁Is y ana ▁dynast y ▁in ▁the ▁early ▁years ▁of ▁the ▁ 1 1 th ▁century . ▁In ▁ 1 0 0 6 , ▁a ▁re bell ion ▁inc ited ▁by ▁a ▁v ass al ▁king ▁W ur aw ari ▁from ▁L war am