Complex sentence: Construction of a new aqueduct was started under the reigning Viceroy Fernando de Alencastre, 1st Duke of Linares (1711-1716) and was also known as the Aqueduct of Belen named after an old Belen convent it passed by.
Split into simpler sentences: Construction of a new aqueduct started under the reigning Viceroy Fernando de Alencastre, 1st Duke of Linares (1711-1716). The structure became known under another name as the Aqueduct of Belen, named after an old Belen convent it passed by.