From Warhammer 40k - Lexicanum
He took command of the Ironwolves Great Company after the death of Egil Iron Wolf in the Siege of the Fenris System. Orven commanded his Company on Cadia during the 13th Black Crusade but was slain by Daemons during the fighting.
- 1: Gathering Storm: Fall of Cadia, Chapter 3
- 2: Codex: Space Wolves (8th Edition), pg. 15 — The Great Companies