Arabs claim descendency from Esau and, by extension, Abraham. Jacob, as the father of the Jews (and, again by extension, Christians, their cousins) is in their view a treacherous interloper as is Rebekah and, by extension, women in general.
This is a key reason why the Islamic mind looks down on women, Jews and Christians and considers themselves the rightful rulers of mankind.
The various factions of Islam have slightly different interpretations but all agree on this topic if you directly ask them.
Few Christians and secular Jews understand this thought process, but it is well understood among the Israelite Jews, some of whom I count among my close friends.
I thought the separation was about Ishmael the first born (albeit via concubine) and Isaac (born later to Sarah).
“the Islamic mind looks down on women, Jews and Christians and considers themselves the rightful rulers of mankind.”
This is correct. When Jewish people were returning to Israel as-part-of-an-Islamic-run area, immigration and land sales were encouraged.
When the Jewish people shucked off the yoke of the muslims by declaring independence, war was declared.
There was no “stolen land” or any of the B.S. they whine about today.
All that happened was Dhiminnis refused to bow to their “muslim masters,” and this act of rebellion shook the very basis of muslim theology, showing to be false.