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Shmi Skywalker.
Well, her original name is Padme Amidala Naberrie. Amidala is her formal name, but not her real name. Naberrie is her last name.
Padmé Naberrie.
Anakin and Padme Skywalker (née Naberrie).
Which one?
Senator Padme Naberrie Amidala Skywalker is one!