Grand Duke Sergei Mikhailovich of Russia
...that Grand Duke Sergei Mikhailovich of Russia shared his mistress with one of his cousins for almost two decades?
...that <b id="mwFII"><a href="./Grand_Duke_Sergei_Mikhailovich_of_Russia" id="mwFIM" rel="mw:WikiLink" title="Grand Duke Sergei Mikhailovich of Russia">Grand Duke Sergei Mikhailovich of Russia</a></b> <i id="mwFIQ">(pictured)</i> shared his mistress with one of his cousins for almost two decades?