The Roman renamed the Jews and Israel “Palestine” as a demeaning insult to remind the Jews of the humiliation of the Greek invasion and take over centuries earlier. ( Google the holiday of Hannukah- that is where it comes from) The Romans gave the Jews and Israel this name during the siege of Jerusalem which took place on Tisha B’Av, 70 A.D. (See the writtings of Josephus Flavius and Titus.)
As a side note, the writtings of Josephus are translated into English and are a fascinating read.
In earlier times, place names or area names varied by size, thru time, and between beholders. Like today, where does west Texas end and begin or where is the border between S. California and N. California. There were no nation states or borders back then. Places like Palestine or Syria waxed and waned.
I still have a copy of Josephus. I used to have a sizable library of books dealing with history, archeology, religion, etc. I sold almost all of them when I retired but kept a few for reference, including Josephus. On one hand I regret selling them but I didn't have to haul them around.
So today's Zionist Jews are mostly Ashkenazi Jews? It seems like I recall that the Christian Long Haired Kings of France were originally part of the Jewish diaspora. But I'm not sure about Charles de Gaulle. Or Prince Charles.