Baronne Almaury de Maistre
Baronne Almaury de Maistre née Henriette-Marie de Sainte-Marie (1809–1875) was a French composer. In 1831 she married Baron Charles-Augustin Almaury de Maistre.[1][2] She was the cousin of Joseph de Maistre by marriage and maintained a popular salon.[3] She composed etudes and an opera Roussalka which was presented in Brussels at the Theatre de la Moonaie in 1870.[4]