Complex sentence: In June 2014 he discovered a few tribes in West Papua, Indonesia, originating from Peru a few hundred years before, escaping the persecution of Jews by Spain, who followed them to Latin America after the Spanish Expulsion.
Split into simpler sentences: In June 2014 he discovered a few tribes in West Papua, Indonesia, who came from Peru a few hundred years before. Their ancestors escaped the persecution of Jews by Spain, who followed them to Latin America after the Spanish Expulsion.