Why would a surname be hyphenated with the word vie for example Andersen-vie?

The hyphenation of a surname with "vie" is not a standard practice in naming conventions. It's highly unusual and doesn't follow any known genealogical or linguistic rules.

Here are some possible reasons why you might encounter this:

* Nickname or informal usage: It could be a nickname or informal version of a surname, perhaps based on a family member's occupation or a characteristic.

* Artistic or creative choice: An individual might choose to hyphenate their surname with "vie" for artistic or creative reasons, perhaps to express a specific theme or feeling.

* Error or misspelling: It might be an error or misspelling, particularly if you encountered it in an informal setting or an unreliable source.

Without further context, it's difficult to determine the precise reason behind this specific hyphenation.

If you have more information about the surname, such as its origin or the individuals who use it, it might provide clues to its meaning and origin.