sentences:  The building was started during the reign of Ptolemy III Euergetes and completed in 57 BC under Ptolemy XII Auletes.It was built on the site of an earlier, smaller temple also dedicated to Horus, although the previous structure was oriented east-west rather than north-south as in the present site.A ruined pylon lies just to the east of the current temple; inscriptional evidence has been found indicating a building program under the New Kingdom rulers Ramesses I, Seti I and Ramesses II.