They performed in Finland ( 1842 ) , Copenhagen ( 1844 ) and Berlin ( 1847 ) .
She and her sisters Fredrique and Hedvig Eleonora were trained as singers by their mother , and sang with her at their fathers concerts .
singers performed in Finland ( 1842 ) , Copenhagen ( 1844 ) and Berlin ( 1847 ) .
She and her sisters Fredrique and Hedvig Eleonora were trained as singers by their mother , and sang with her at their fathers concerts .