Alexei Mikhailovich
...that Alexei Mikhailovich was the only Imperial Russian Grand Duke to bear the name and patronymic of a Tsar?
...that <b id="mwC44"><a href="./Grand_Duke_Alexei_Mikhailovich_of_Russia" id="mwC48" rel="mw:WikiLink" title="Grand Duke Alexei Mikhailovich of Russia">Alexei Mikhailovich</a></b> was the only <a href="./Russian_Empire" id="mwC5A" rel="mw:WikiLink" title="Russian Empire">Imperial Russian</a> <a class="mw-redirect" href="./List_of_Grand_Dukes_of_Russia" id="mwC5E" rel="mw:WikiLink" title="List of Grand Dukes of Russia">Grand Duke</a> to bear the name and patronymic of a <a href="./Tsar" id="mwC5I" rel="mw:WikiLink" title="Tsar">Tsar</a>?