Well today a Philippine sultan who crossed to the Malaysian state of Sabah this month will not leave and are reclaiming the area as their ancestral territory. Some time back the very same issue was with the Serbs and Kosovo, in that Kosovo was the ancestral home of the Serbs, there was actually some war over that issue.
My ancestral home in in Ireland, therefore Ireland needs to be a part of the USA, or better yet, the Mexicans say that Mexico is their ancestral home and needs to be a part of the USA.
Ah the changes we all make because of our ancestral province. And then there is our ancestral religion, and those problems that we all love.