▁the ▁b ish ops ▁were ▁even ▁included ▁in ▁the ▁treat y ▁when ▁the ▁territ ories ▁were ▁sold ▁to ▁Te ut onic ▁Order ▁in ▁ 1 3 4 6 . ▁ ▁First ▁mentioned ▁in ▁ 1 2 4 0 , ▁the ▁du chy ▁was ▁locally ▁govern ed ▁by ▁a ▁vic ero y ▁() ▁appointed ▁by ▁the ▁king ▁and ▁function ing ▁as ▁his ▁pl en ip ot enti ary . ▁The ▁vic ero y ▁had ▁administrative ▁powers , ▁he ▁collected ▁the ▁tax es , ▁and ▁he ▁commanded ▁the ▁v ass als ▁and ▁the ▁troops ▁in ▁case ▁of ▁war . ▁Most ▁of ▁the ▁vic ero ys ▁were ▁either ▁of ▁Dan ish ▁or ▁Dan ish - E ston ian ▁national ity . ▁ ▁In ▁Vir onia , ▁the ▁main ▁power ▁cent ers ▁were ▁W esen berg ▁( R ak vere ) ▁and ▁Nar va , ▁built ▁on ▁the ▁site ▁of ▁the ▁old ▁Est onian ▁for tr esses ▁of ▁R akov or ▁and ▁R ug od iv . ▁W esen berg ▁was ▁granted ▁Lü beck ▁city ▁rights ▁in ▁ 1 3 0 2 ▁by ▁King ▁Erik ▁Men ved . ▁Nar va ▁received ▁these ▁rights ▁in ▁ 1 3 4 5 . ▁ ▁The ▁v ass als ▁of ▁the ▁Dan ish ▁king ▁received ▁f ief s ▁per ▁domin um ▁ut ile ▁in ▁exchange ▁for ▁military ▁and ▁court ▁services . ▁The ▁v ass als ' ▁o ath ▁to ▁a ▁new ▁king ▁had ▁to ▁be ▁sw orn ▁for ▁a ▁" year ▁and ▁a ▁day ". ▁Of ▁the ▁v ass als ,