Question: What was the pen name of the husband of Grand Duchess Yelizaveta Mavrikiyevna ?
Sentence (from "Prince Georgy Konstantinovich of Russia"): Prince Georgy Konstantinovich of Russia (6 May 1903 – 7 November 1938), was the youngest son of Grand Duke Konstantin Konstantinovich of Russia and his wife Grand Duchess Yelizaveta Mavrikiyevna.
Relevant evidence: Yes