Clan

A clan is a family group of individuals united together by blood relations. In certain human cultures, people refer to themselves by the clans they belong to.

Empath: The Luckiest Smurf stories
According to the history of the Smurfs in the EMPATH: The Luckiest Smurf story series, the Smurfs that make up the population of the Smurf Village consist of various clans of Smurfs that have joined together to live in one particular location, adopting one basic language so that they could communicate with each other clearly. Nonetheless, there are individual Smurfs who are proud to belong to a particular clan of Smurfs, like Duncan McSmurf of the clan McSmurf.