U-27 class
... that the Austro-Hungarian U-27 class of submarines had more members than any other Austro-Hungarian Navy submarine class?
... that the <a href="./Austria-Hungary" id="mwFuo" rel="mw:WikiLink" title="Austria-Hungary">Austro-Hungarian</a> <b id="mwFus"><a class="mw-redirect" href="./U-27_class_submarine_(Austria-Hungary)" id="mwFuw" rel="mw:WikiLink" title="U-27 class submarine (Austria-Hungary)"><i id="mwFu0">U-27</i> class</a></b> of <a href="./Submarine" id="mwFu4" rel="mw:WikiLink" title="Submarine">submarines</a> had more members than any other <a href="./Austro-Hungarian_Navy" id="mwFu8" rel="mw:WikiLink" title="Austro-Hungarian Navy">Austro-Hungarian Navy</a> submarine <a href="./Ship_class" id="mwFvA" rel="mw:WikiLink" title="Ship class">class</a>?