Anna Caroline de Belleville, often referred to as "Ninette", was born in Landshut, Bavaria, Germany.

She was the daughter of a French aristocrat who was the director of the national Court Opera in Mannheim.

[2] She studied with Carl Czerny in Vienna between 1816 and 1820, where she met Beethoven and heard him improvise.

[5][6][7] They performed in Germany, France, Belgium, the Netherlands, Austria and Russia between 1831 and 1839 before settling in England, excepting a concert tour of Italy in 1846–7.

[8] The remainder of Anna Caroline Oury's career was spent focusing on composition until her retirement in 1866, writing approximately 180 works for piano in this time.