If you want to go even further back, the Hebrews took the land which became the Kingdom of Israel by right of conquest against the Canaanites. They were then conquered in turn by various polities like the Assyrians and the Babylonians before being allowed to return by the Persians...and then they were conquered by the Romans. Some decades after the crucifixion of Jesus, the Romans put Jerusalem to the torch, definitively crushing the Jewish presence in that city and reducing the Hebrews to a diaspora.
Then there was a Christian majority in Palestine before various revolts by the Samaritans, as well as a brief period of conquest by the Sasanians before the Eastern Roman Empire re-established their hegemony.
Then the Mohammedans came rolling into town.
TL;DR: the Jews were not the first to occupy the Land of Israel; not by a long shot.
And if you want to invoke the words of Almighty God as a reason for why their title to the land is of superior weight, maybe the Jews should have considered all of that before delivering up the Son of God—the promised Messiah—to be executed by the Romans.
That's my whole point. The Jews were there many millennia ago. Long before the muslims existed! Which tends to be ignored by ignorant people.