Prince Nikita Alexandrovich of Russia
4 January ] 1900 – 12 September 1974 ) was the third son and fourth child of Grand Duke Alexander Mikhailovich of Russia and Grand Duchess Xenia Alexandrovna of Russia . 
<triplet> Grand Duke Alexander Mikhailovich of Russia <subj> Grand Duchess Xenia Alexandrovna of Russia <obj> spouse <triplet> Grand Duchess Xenia Alexandrovna of Russia <subj> Grand Duke Alexander Mikhailovich of Russia <obj> spouse