She and her family were Afghan citizens who came to Canada from Afghanistan as refugees.  That is all true.  Your statement that she lied about her actual place of birth is unfounded.  What factual basis could you have for making that statement?  You have no specific knowledge that she lied.
You and others making such accusations seem to be motivated by a desire to undercut the credibility of a strong Liberal minister. In that sense, these accusations resemble accusations against Obama, questioning his US citizenship, which were also made for the purpose of undercutting his credibility and weakening his political support.