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In page Lohengrin (opera):

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Lohengrin was first performed as part of the Bayreuth Festival in 1894, in a production directed by the composer's widow, Cosima Wagner, with Willi Birrenkoven and Ernst van Dyck, Emil Gerhäuser alternating as Lohengrin, Lillian Nordica as Elsa, Marie Brema as Ortrud and Demeter Popovic as Telramund and was conducted by Felix Mottl. It received 6 performances in its first season in the opera house that Wagner built for the presentation of his works.[citation needed]