The concept of hidalgo and fidalgo in Spanish old and common in literature, has its origins in Spain and Portugal and is a synonym of nobleman. Hijodalgo, says Fray Benito de Peñalosa: "It is the foundation of all nobility that more perfect with the cavalry and as the enamel on gold, not giving you more value but more adornment or greater beauty ". Don Bernabe Moreno de Vargas, says: "And this name of hijodalgo, covering the laws therein is so excellent and include Knights, Earls, marquises, Dukes and major of the Kingdom by the excellence of the nobility and chivalry, whose state are: and the armed Knight hijodalgo has by so noble and honest become hijodalgo, that only this saying that it must not nothing to the King. All the dignities of the nobility of Spain is founded on the chivalry and cavalry; and it goes flowing by all titles from the King down. And Garibay called noble hijodalgo the first King of Navarre ". Hence stating that Knight is a recognized nobility hidalgo. In Portugal the fidalguia remained as a higher degree of the aristocracy, being only surpassed in different or main Peerage by the fidalgos selected by the Royal House to enjoy the Portuguese titles, his Majesty Fidelísima advisers and the Ministers of State. By order of importance, the degrees between the Fidalgos da Casa Real, imitated by the other great houses, were those of Fidalgo Cavaleiro da Casa Real and Fidalgo Escudeiro da Casa Real, Moço Fidalgo da Casa Real, between the first class. Those in the second category were called Cavaleiro Fidalgo da Casa Real, Escudeiro Fidalgo da Casa Real, e Moço da Câmara. Outside the Royal family, they were also the Fidalgos of Solar known with own legal privileges, with a right to the exclusive use of the coat of arms of his jefia ou jefias family, as were also legally considered a noble lineage heads, and their home was the solar or the seat of these lineages.