sentences:  The current chapel replaced a small private chapel or oratory of the Palace which was probably built in the 12th century.The project belonged to Marcos Pires, who designed the naturalistic Manueline side door, although he died in 1521 and his work had to be finished by Diogo de Castilho.The entrance to the chapel is through a neo-classical door made by José de Carvalho in 1780.