Emmy La Grua (also Emma, Emmi or Emilia) (15 May 1831, Palermo[1] – 1922, Courbevoi[2])[3] was a 19th-century Italian opera singer (soprano) who performed successfully internationally.
^Karl-Josef Kutsch & Leo Riemens: Großes Sängerlexikon, 4. vol., 4th edition, München 2003, p. 2577