We'll never know why but..

'Columbus died in Valladolid, Spain, in 1506, but he wished to be buried on the island of Hispaniola which is today shared by the Dominican Republic and Haiti. His remains were taken there in 1542, then moved to Cuba in 1795 and then, it had long been thought in Spain, to Seville, in 1898.'
[times of Israel, Oct.13, 2024]

Signed: ...maybe Kris thought his body and its secrets would be safer in the islands but for some reason some folks kept digging it up and moving it elsewhere. Very strange...island ambassador

Google: 'Study finds Christopher Columbus was a Sephardic Jew from Western Europe.' [Times of Israel].
It's a more definite article.