SS Prinz Friedrich Wilhelm
... that between 1920 and 1929 the Canadian Pacific Steamships vessel SS Prinz Friedrich Wilhelm bore six different names, but sailed under only four of them?
... that between 1920 and 1929 the <a class="mw-redirect" href="./Canadian_Pacific_Steamships" id="mwBkY" rel="mw:WikiLink" title="Canadian Pacific Steamships">Canadian Pacific Steamships</a> vessel <b id="mwBkc"><a href="./SS_Prinz_Friedrich_Wilhelm" id="mwBkg" rel="mw:WikiLink" title="SS Prinz Friedrich Wilhelm">SS <i id="mwBkk">Prinz Friedrich Wilhelm</i></a></b> bore six different names, but sailed under only four of them?