John Casor
...that John Casor was the first known slave in the Thirteen Colonies?
...that <b id="mwCWw"><a href="./John_Casor" id="mwCW0" rel="mw:WikiLink" title="John Casor">John Casor</a></b> was the first known <a href="./Slavery" id="mwCW4" rel="mw:WikiLink" title="Slavery">slave</a> in the <a href="./Thirteen_Colonies" id="mwCW8" rel="mw:WikiLink" title="Thirteen Colonies">Thirteen Colonies</a>?