Author-Author relationship types
Persona: Author uses the persona Author
Links an Author to a fictional character (persona) they write under. (See more about <a href="https://bookbrainz-user-guide.readthedocs.io/en/latest/#style/entities/author/~persona">personas</a> in the docs)
Member of Group: Author is/was a member of Author
Links a person as being a member of a group.
Founder: Author was a founder of Author
Links a person as founder of a group/collective (of authors)
Subgroup: Author is/was a subgroup of Author
Links a group/collective as a being a sub-group of another group/collective
Marriage: Author is/was married to Author
Links two people as married. (Note: <href="https://bookbrainz-user-guide.readthedocs.io/en/latest/#style/entities/author/~what-about-people-who-have-not-written-anything">non-authors might be eligible here</a>)
Involved With: Author is/was involved with Author
Links two authors as involved with each other in some way. (Note: <href="https://bookbrainz-user-guide.readthedocs.io/en/latest/#style/entities/author/~what-about-people-who-have-not-written-anything">non-authors might be eligible here</a>)
Parent: Author is the parent of Author
Links an author as being the parent of another. (Note: <href="https://bookbrainz-user-guide.readthedocs.io/en/latest/#style/entities/author/~what-about-people-who-have-not-written-anything">non-authors might be eligible here</a>)
Sibling: Author is the sibling of Author
Links two (or more) authors as being siblings. Take care to link everyone to everyone else! (Note: <href="https://bookbrainz-user-guide.readthedocs.io/en/latest/#style/entities/author/~what-about-people-who-have-not-written-anything">non-authors might be eligible here</a>)
Collaboration: Author is/was a collaborator on Author
**Obsolete, we encourage people to fix old relationships and to use <a href="https://bookbrainz-user-guide.readthedocs.io/en/latest/#style/entities/author/~author-credits">author credits</a> and to create collectives (groups) for more permanent collaborations instead.)
Pen Name: Author is/was a pen name of Author
**Obsolete. See more about <a href="https://bookbrainz-user-guide.readthedocs.io/en/latest/#style/entities/author/~persona">personas</a> in the docs, If you see this you're encouraged to fix it