▁remaining ▁part ▁of ▁the ▁town ▁of ▁Nas iel sk ▁( c iv itas ▁N ost ra ▁N os iel sko ) ▁to ▁kn ight ▁Jak usz ▁of ▁Rad zan ow ▁( P raw dz ic ▁coat ▁of ▁arms ). ▁Jak usz , ▁who ▁came ▁to ▁be ▁known ▁as ▁Jak usz ▁B ial y ▁of ▁Nas iel sk , ▁became ▁the ▁cast ellan ▁of ▁Nas iel sk , ▁and ▁the ▁town ▁remained ▁the ▁property ▁of ▁his ▁family ▁until ▁ 1 6 4 7 . ▁The ▁coat ▁of ▁arms ▁of ▁Nas iel sk ▁is ▁based ▁on ▁the ▁P raw dz ic ▁symbol . ▁ ▁The ▁town ▁with ▁its ▁wooden ▁church ▁of ▁Saint ▁Ad al bert ▁of ▁Prag ue ▁burn ed ▁in ▁ 1 4 4 0 , ▁and ▁five ▁years ▁later , ▁a ▁new ▁brick ▁church ▁was ▁ere cted . ▁Nas iel sk ▁for ▁centuries ▁remained ▁in ▁private ▁hands ▁of ▁the ▁N os iel ski ▁and ▁W essel ▁families . ▁In ▁mid - 1 8 th ▁century , ▁first ▁syn agog ue ▁was ▁built , ▁and ▁in ▁ 1 7 9 5 , ▁following ▁the ▁third ▁partition ▁of ▁Poland , ▁Nas iel sk ▁was ▁incorpor ated ▁into ▁the ▁Kingdom ▁of ▁Pr uss ia , ▁where ▁it ▁remained ▁until ▁ 1 8 1 5 , ▁when ▁it ▁was ▁incorpor ated ▁into ▁Russian - control led ▁Congress ▁Poland . ▁Until ▁ 1 8 6 6 , ▁Nas iel sk ▁was ▁a ▁private ▁town . ▁In ▁ 1 8 7 7 , ▁a ▁rail ▁line ▁from ▁Wars aw