>>507752661
The banned jews went to Netherland, England and Turkey, btw the ones that went to Netherlands and England created a funny thing called the Dutch East India Company, and English East India Company.

>>507752815
The last discoveries about him confirm that he was from Spain
https://english.elpais.com/culture/2024-10-10/research-confirms-authenticity-of-christopher-columbus-remains-in-spain.html
And yes, he was jewish, there are theories that he knew about the route of India because some jewish merchants, but that's pure speculation.