"Sophia Liza Natalia" could be:
* A full name: It might be her given name at birth, but we don't know if she has any middle names or if she uses a different name professionally.
* A stage name: It could be a name she uses for professional purposes, like acting or singing.
* A pen name: She might use this name for writing or other creative endeavors.
To find out her birth name, we would need more context, such as:
* Her occupation: Knowing what she does for a living might help us find information about her real name.
* Additional information: Any further details about her, like where she was born, or her family, could be helpful.
Without more information, it's impossible to say for sure what her birth name is.