A famous portrait of Marie Antoinette as a child is really of her sister, new research has found. Swiss painter Jean Etienne Liotard's distinctive drawing of the last queen of France from 1762 has long shaped the way academics saw her early years. But Prof Catriona Seth, from the University of Oxford, now believes the artwork likely depicts the queen's older sister Maria Carolina, who later became Queen of Naples. She also suspects a separate drawing from the same Liotard collection, previously