Arnbjorn

 Arnbjorn is a character in The Elder Scrolls V: Skyrim. He is both a member of the Dark Brotherhood, and a Werewolf. Astrid, leader of the Dark Brotherhood, is his wife. He disapproves of you at the beginning, but after successes in your assassinations, gains slowly gains respect and even further, envy for you.

Arnbjorn is terribly wounded by Cicero part way through the Dark Brotherhood questline, found outside the Dawnstar Sanctuary. He is then later killed after the assault on the Dark Brotherhood Sanctuary, where he dies in Werewolf form holding off Penitus Oculatus Agents