Which preposition to use with semites

from Occurrences 1%

The centralisers were Semites from the Arabian plateau.

in Occurrences 1%

Thus, in religion, the Darumulun, or other Supreme Being of the lowest known savages, men roaming wild, when originally met, on a continent peopled by older kinds of animals than ours, was (as we regard purity) on a higher plane by far than the gods of Greeks and Semites in their earliest known myths.

Which preposition to use with  semites