Question: Which country Grand Duchess Vera Konstantinovna Of Russia's husband is from?
Sentence (from "Grand Duchess Vera Konstantinovna of Russia"): In 1871 she was legally adopted by Karl and Olga, who arranged her marriage in 1874 to Duke Eugen of Württemberg (1846–1877), a member of the Silesian ducal branch of the family.
Relevant evidence: Yes