(b Koblenz, 1806; d Mexico City, 1854).
Ger. soprano. First public appearance at age 6. Opera début Prague Cons. 1821 (Princess in Boieldieu's Jean de Paris). Sang in Vienna from 1822. At Weber's request created title‐role in Euryanthe, 1823. Sang sop. part in f.p. of Beethoven's 9th Sym. (Vienna 1824) and f. Vienna p. of Missa solemnis (1824). Berlin début 1825; Paris 1826; London 1828. Her voice was exceptionally clear and reached E in alt with ease. Retired from stage on marriage to Count Rossi, but continued concert work. Returned to opera 1849. Died of cholera in Mexico.