Christopher Columbus was a Sephardic Jew from Western Europe

[soandso]

21. More accurately

it would be DNA from a certain part of the world where Jews existed. It's looks like Chris, himself, was a Christian:

…And I saw the Moorish king come out of the gates of the city and kiss the royal hands of Your Highnesses…and Your Highnesses, as Catholic Christians…took thought to send me, Christopher Columbus, to the said parts of India, to see those princes and peoples and lands…and the manner which should be used to bring about their conversion to our holy faith, and ordained that I should not go by land to the eastward, by which way it was the custom to go, but by way of the west, by which down to this day we do not know certainly that anyone has passed; therefore, having driven out all the Jews from your realms and lordships in the same month of January, Your Highnesses commanded me that, with a sufficient fleet, I should go to the said parts of India, and for this accorded me great rewards and ennobled me so that from that time henceforth I might style myself “Don” and be high admiral of the Ocean Sea and viceroy and perpetual Governor of the islands and continent which I should discover…and that my eldest son should succeed to the same position, and so on from generation to generation forever.

https://www.britannica.com/biography/Christopher-Columbus