Who was the "king's engineer" to the  King of Portugal, Naples, Sicily and Sardinia and Duke of Milan?
Philip III of Spain Philip III (Spanish: "Felipe" ; 14 April 1578 – 31 March 1621) was King of Spain. He was also, as Philip II, King of Portugal, Naples, Sicily and Sardinia and Duke of Milan.
Ferdinand II of Portugal "Dom" Ferdinand II (Portuguese: "Fernando II") (29 October 1816 – 15 December 1885) was a German prince of the House of Saxe-Coburg and Gotha-Koháry, and King of Portugal "jure uxoris" as the husband of Queen Maria II, from the birth of their son in 1837 to her death in 1853.