Brother from the same mother

Only a few nations have found out how to bring the dead back to life. These few brought back their parents, siblings and grandparents, well, the nation ones. When they discover Soviet's sibling from a picture book in the Russian Empires first home, all hell breaks lose.

[I have no idea what I'm doing but I'm doing it!

I wanted to give Alaska a backstory as he doesn't have one but he does now! He's still the youngest by admission into the USA but other than that he's one of the older kids.

This is mature for a reason! Be warned!]