Alexandrine-Emilie (1780-1847) was the daughter of the architect Alexandre-Theodore Brongniart. Brogniart was a friend of Vigee Le Brun who briefly took refuge in his Paris house during the turbulent autumn of 1789. She was married to Louis-André, Baron Pichon. View a detail of this image. The painting was passed to a son of the sitter, Jérôme Pichon (1812-1896); bequeathed by Sir Bernard Eckstein, 1948. Vigee Le Brun also painted Brongniart's other daughter.