Passage: In October 1889, Princess Sophia, Victoria's penultimate daughter, married the future King Constantine I of Greece, leaving the maternal residence. The following year, Princess Viktoria, after the ending of her hopes to wed the ruler of Bulgaria, in the end married Prince Adolf of Schaumburg-Lippe, the future regent of the Principality of Lippe. Finally, in 1893, Princess Margaret married Prince Frederick Charles of Hesse, who in 1918 was elected to the throne of the ephemeral Kingdom of Finland. Although satisfied with these marriages, the empress dowager felt increasingly isolated following the departure of her daughters.

Question: Who did Princess Viktoria wind up marryingn?
Prince Adolf of Schaumburg-Lippe