PRINCE IOANN KONSTANTINOVICH AND GRAND DUCHESSES OLGA NIKOLAEVNA?
There have been several potential candidates mentioned for the hand of Grand Duchess Olga Nikolaevna, but according to a 1910 letter from Grand Duke Konstantin Konstantinovich (KR) to his son Prince Ioann, the latter was at one point interested in the Tsar’s eldest daughter romantically.
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