Complex sentence: Vogl played the role of Sieglinde in Richard Wagner's "Die Walküre", at Munich Court Opera, on June 26,1870, her husband Heinrich Vogl playing the role of Sieglinde's brother and lover Siegmund opposite her.
Split into simpler sentences: Vogl played the role of Sieglinde in Richard Wagner's "Die Walküre", at Munich Court Opera, on June 26,1870. Her husband Heinrich Vogl, who played the role of Sieglinde's brother and lover Siegmund in "Die Walküre" opposite her.