Hamburg Atlantic Line
...that four of the five ships operated by the Hamburg Atlantic Line and their successors were named Hanseatic at some point of their tenure in the company?
...that four of the five ships operated by the <b id="mwCbk"><a href="./Hamburg_Atlantic_Line" id="mwCbo" rel="mw:WikiLink" title="Hamburg Atlantic Line">Hamburg Atlantic Line</a></b> and their successors were named <i id="mwCbs"><a class="mw-redirect" href="./Hanseatic" id="mwCbw" rel="mw:WikiLink" title="Hanseatic">Hanseatic</a></i> at some point of their tenure in the company?