Given the task definition and input, reply with output. You will be given a passage, and your task is to generate a Yes/No question that is answerable based on the given passage.

In the Western tradition of surnames, there are several types of double surname (also double-barrelled surname). If the two names are joined with a hyphen, it may also be called a hyphenated surname.

do double barrelled names have to be hyphenated?