Rackateen family

The Rackateen Family were a family of Raxacoricofallapatorians that were cousins to the criminal Slitheen. (DW: Boom Town)

They were involved in criminal dealings in the past but they kept this a secret from their people as they knew that if they found out they like the Slitheen would be exiled and hunted down. (DWF: Doctor Who Files 3: The Slitheen)

They were descendants of Colonists on Clom. (WEB: Captain Jack's Monster Files: Slitheen)