sentences:  Francesco died in 1727 and, when his only remaining brother Antonio also died childless in 1731, the Duchy of Parma went to Dorothea's eldest grandchild, the 16-year-old son of Elisabeth Farnese, Charles III of Spain.Dorothea ruled as regent until 1735, when the Duchy was ceded to Austria after the War of the Polish Succession.She died in Parma in 1748 and was buried at the Sanctuary of Santa Maria della Steccata.