By "ancestral", how far back do we go? 200 years? 2,000 years? 20,000 years...? It's somewhat ironic, that that "homeland" has been under "foreign mandate" pretty much all the time.
Native Americans had a way better claim to the land, since in many places they were the first ones to settle there. Can't say the same about Syria Palaestina, or any of the dozens of names you can call it.
"Too bad" some didn't accept a UN Resolution, went to war, and lost.
Don't cite me on that last one, cite Mahmoud Abbas: