Barthol Van Voytz was a senior ranking and well-regarded Imperial Guard general officer who served during the Sabbat Worlds Crusade. He was instrumental in achieving several key victories during the numerous hard-fought campaigns of that Crusade. Van Voytz recognised the singular talents of the dispossessed Imperial Guard regiment known as the "Ghosts of Tanith," the Tanith 1st Regiment. Experts in stealth and reconnaissance, the Tanith "First and Only" was soon utilised for special operations and stealth insertions throughout the campaigns of the Sabbat Worlds Crusade, earning particular distinction at the Battles of Verghast, Hagia and Herodor.
Lord General Van Voytz led the Imperial forces at the worlds of Aexe Cardinal, Ancreon Sextus and Phantine with a great deal of success. A somewhat eccentric individual upon first impression, he actually possessed a brilliant tactical mind. He was also known to be a fair but hard man who got along well with his subordinates and treated the troops under his command with kindness and respect. Colonel-Commissar Ibram Gaunt of the Tanith 1st had a special rapport with the Lord General, who once offered the Commissar a promotion to Lieutenant General. The two senior officers were known to have an excellent working relationship and considered one another good friends. However, after Van Voytz ordered the Tanith 1st to hold a fortress on the world of Jago which lead to the regiment sustaining heavy losses, their relationship became somewhat strained.
- Gaunt's Ghosts (Novel Series) by Dan Abnett
- Sabbat Worlds Crusade (Background Book) by Dan Abnett