Greyback savaging and killing Lavender Brown during the first stage of the Battle of Hogwarts Fenrir Greyback was present at the Battle of Hogwarts, where he was repelled by Hermione Granger while attacking and fatally wounding Lavender Brown.

Who did Fenrir Greyback bite?

In Harry Potter and the Deathly Hallows: Part 2, Hermione's Stunning Spell sends Greyback off the Viaduct Courtyard to the ravine below and to his death after he was discovered mauling Lavender Brown.

Did Greyback kill lavender?

In her final year of schooling Lavender joined the reconstituted D.A. to oppose Death Eater control of Hogwarts and fought in the Battle of Hogwarts. During the battle she was savaged by werewolf Fenrir Greyback and died of her injuries.