From Warhammer 40k - Lexicanum
Colonel Greiss was in command of the Imperial Guard Catachan II Regiment, which was involved in the pacification of Balur. The campaign lasted for four years and he was severely wounded on several occasions.
- 1: Codex: Imperial Guard (5th Edition), pg. 60
- 2: Codex: Imperial Guard (2nd Edition), pg. 86
- 3: Codex: Imperial Guard (3rd Edition, 1st Codex), pg. 25
- 4: Straken (Novel)