"maria teresa" rafaela of spain ("maría teresa antonia rafaela"; 11 june 1726 – 22 july 1746) was an "infanta of spain" by birth and was later the wife of louis of france, dauphin of france, son of king louis xv. she died during childbirth aged 20, she gave birth to a daughter who died at two years of age leaving the dauphine with no surviving descendants. she used the names ""marie thérèse" ("see right")