Question: Who is Eugen Maximilianovich, 5Th Duke Of Leuchtenberg's maternal grandfather?
Sentence (from "Eugen Maximilianovich, 5th Duke of Leuchtenberg"): Eugen Maximilianovich Romanowsky, 5th Duke of Leuchtenberg, Prince Romanowsky (8 February 1847 – 31 August 1901) was a son of Maximilian de Beauharnais, 3rd Duke of Leuchtenberg and Grand Duchess Maria Nikolaevna of Russia Duke of Leuchtenberg.
Relevant evidence: Yes