Mr Rosa believes a conspiracy was agreed to hide Columbus' true origins and to protect the identity of his father. "The courts of Europe knew who he was and kept his secret for their own reasons," the researcher at Duke University, North Carolina said.
"Our whole understanding of Christopher Columbus has for 500 years been based on misinformation. We couldn't solve the mystery because we were looking for the wrong man, following lies that were spread intentionally to hide his true identity," Mr Rosa told The Daily Telegraph.
His high birth would explain how Columbus was able to himself marry the daughter of a Portuguese noble 15 years before he set out to prove the world was round....