Palestinians are Arabs that were related to the Hebrews. I'm a Jew and happy to be related to Arabs. But, there were more Arabs than Hebrews/Jews in the ancient times. Arabs were conquerors and conquered much land, including North Africa. Jews dispersed through out the world. Arabs conquered Israel, Judea, Samaria and moved in. Jews came back.
Suspected assailant in car-ramming attack in West Bank shot (Haaretz)
from the article: DNA links prove Jews are a 'race,' says genetics expert