Jan Seklucjan
... that the first Protestant translation of the New Testament into Polish was published by Jan Seklucjan in Königsberg, in the Polish fief Duchy of Prussia, between 1551 and 1553?
... that the first <a class="mw-redirect" href="./Protestant" id="mwCyM" rel="mw:WikiLink" title="Protestant">Protestant</a> translation of the <a href="./New_Testament" id="mwCyQ" rel="mw:WikiLink" title="New Testament">New Testament</a> into <a href="./Polish_language" id="mwCyU" rel="mw:WikiLink" title="Polish language">Polish</a> was published by <b id="mwCyY"><a href="./Jan_Seklucjan" id="mwCyc" rel="mw:WikiLink" title="Jan Seklucjan">Jan Seklucjan</a></b> in <a href="./Königsberg" id="mwCyg" rel="mw:WikiLink" title="Königsberg">Königsberg</a>, in the Polish fief <a href="./Duchy_of_Prussia" id="mwCyk" rel="mw:WikiLink" title="Duchy of Prussia">Duchy of Prussia</a>, between 1551 and 1553?