i heard chuchi carries a blaster from her from world when she has to.
If her last name is Amidala then why is her mother, father, and sister's las name Naberrie?
I have no idea, but that's the way it is. Maybe it's a title she took up when she became queen and she decided to keep it. Check Wookieepedia for details.
These are my two favorite politicians of the Star Wars Universe.