Question: What was the pen name of the husband of Grand Duchess Yelizaveta Mavrikiyevna ?
Sentence (from "Grand Duke Konstantin Konstantinovich of Russia"): Grand Duke Konstantin Konstantinovich of Russia (Russian: Константи́н Константи́нович ; ] ; 22 August 1858 in Strelna – 15 June 1915 in Pavlovsk) was a grandson of Emperor Nicholas I of Russia, and a poet and playwright of some renown.
Relevant evidence: No