Fenrir Greyback's werewolf pack

This pack of werewolves was formed by Fenrir Greyback at some point prior to the First Wizarding War. They were the largest and most powerfull werewolf pack in Britain.

History
When Lord Voldemort first rose to power Fenrir Greyback and his followers swore allegiance to the Dark Lord, beleiving that under his rule the werewolf race would have a higher place in society than under the Ministry of Magic.

Appearances

 * Harry Potter and the Half-Blood Prince
 * Harry Potter and the Deathly Hallows