Book "Da Asia" by Joao Barros, published in 1563.
The writings of the Portuguese historian Joao Barros, close to King John III of Portugal, are not only a valuable collection of information on the history of the Portuguese in Asia, but they represent the beginning of modern historiography in Portugal and in the world.
Reprint (England, 21st c.)
Magos Foundation Collection
THE MAGUS OF INDIA IS IDENTIFIED AS KING PRIMAL, FROM THE ISLAND OF CEYLON, ACCORDING TO JOAO BARROS, WHO CLAIMS TO HAVE TAKEN HIS SOURCES FROM JOSEPH THE INDIAN
“A king from the island of Ceylon, called Primal, set sail from the coast of Muscat to join other kings who had come to worship the Messiah in Bethlehem. He was the third Magus. This King of Ceylon was informed by a wise man (Sybil) in Coulam (Kovalam) of the birth of the Messiah” Joao Barros.