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I move this over here, as it is not a proper reference section, but rather gives factlets about various members of that line.
==References==
Elisabeth (1837-1898), who became Empress of Austria, has many biographies.
Karl-Theodor (1839-1909) was a famous oculist; Fürst und Arzt by Richard Sexau 1965.
Their father (1808-1888) enabled the sponsorship of Richard Wagner by his cousin Ludwig II of Bavaria.