Villa Doria Pamphili, on the Gianicolo, the Roman Janiculum, is the largest public landscaped park of Rome. It has an area of 1.8 km². It was bought in 1965–1971 by the City of Rome from the Doria-Pamphilj family—the family favor the orthography of the long i. When Girolamo Pamphilj died in 1760 without male heirs, a battle broke out among the possible heirs, which was settled in 1763 when Pope Clement XIII Rezzonico granted to prince Giovanni Andrea IV Doria the surname, the arms and the vast properties of the Pamphilj, by right of the marriage between Giovanni Andrea III Doria and Anna Pamphilj. Hence the villa's double name.