Since Der Fuehrer was apparently a citizen by virtue of his mother his citizenship would not be abrogated without his action to do so. You may have to have proof that you have attained sufficient standing to make such a decision.
I hate to bring it up again, but Stanley Ann Dunham wasn’t his mother, neither was the Kenyan student his father. Ask the famous babysitter. She knows.
https://www.youtube.com/watch?v=4A3bYdwSsr8&index=3&list=PLwDnebP1khQxZPHIMbQB1ZMDCCPoy8T9f