The phrase "clan of" is correct and usable in written English.
It is often used to refer to a group of people with a shared identity or ancestry. For example: The Wolf Clan is a respected tribe living in the North.
connected clan of merchants and traders.
The leading clan of Mecca were the Quraish.
The howardite eucrite diogenite (HED) clan of meteorites.
Rebels accused the clan of killing 15 fighters.
That is the size of a clan of hunter-gathers.
There is yet another clan of evergreens: the hollies.
Parker, for instance, hails from a clan of competing invalids.
But the infrastructure for Princeton's most active clan of alumni athletes began well before Facebook.
Johann Sebastian Bach was simply the most talented of this long-lived clan of musicians.
Each clan of Bambuti is associated with a specific clan of villagers, and individual Bambuti have close economic and ritual ties to individual villagers.
In their village of et-Tiri, the Sha'itas were an extended clan of 54 people.
