What is a collective noun for clans?

There isn't a single, universally accepted collective noun for clans. However, here are some options depending on the context:

Formal/Generic:

* A confederation of clans

* A league of clans

* A union of clans

More Descriptive:

* A brotherhood/sisterhood of clans (for clans with close ties)

* A gathering/assembly of clans (for a meeting or event)

* A host of clans (for a large or powerful group of clans)

Informal/Humorous:

* A clannish group

* A clan-tastic gathering

Ultimately, the best collective noun for clans depends on the specific context and the desired tone.