"Maria Teresa Rafaela of Spain (María Teresa Antonia Rafaela; 11 June 1726 – 22 July 1746) was an Infanta of Spain by birth and Dauphine of ...
France by marriage to Louis, Dauphin of France, son of Louis XV of France. She died aged 20, three days after giving birth to a daughter who died in 1748." - (en.wikipedia.org 03.10.2020)