Christa Ludwig (born March 16, 1928) is a retired German mezzo-soprano, distinguished for her performances of opera and Lieder. Her career spanned from the late 1940s until the early 1990s. Ludwig was born in Berlin to a musical family; her father, Anton Ludwig, was a tenor and an operatic administrator, her mother, the mezzo-soprano Eugenie Besalla-Ludwig who sang the Aachen Opera during Herbert von Karajan's period as conductor. Wikipedia
Her father was the tenor Anton Ludwig and her mother the contralto Eugenie Besalla-Ludwig. www.cantabile-subito.de/Mezzo-Sopranos/Ludwig__Christa/ha...
The definitive Wikipedia entry for Christa Ludwig. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Christa_Ludwig