- The Battle of Praesidium Primus (Date Unknown) - The combined might of the Imperial armed forces, supported by a few companies of the Deathwatch Chapter of the Space Marines and the full might of the Knight House of Merovic, fought the hordes of Tyranids and Orks that had spilled from the Octarius Sector and into the Kurbynola System. Though House Merovic fought valiantly, they were totally annihilated to the last member.
None listed in current Imperial records.
- Patriarch Balas - Balas was the Patriarch of the Knight House of Merovic. He, like the rest of his House, fell on Praesidium Primus, while trying to hold off the countless hordes of Tyranids and Orks that were assaulting the planet.
The colours of House Merovic are not listed in current Imperial records.
The arms of House Merovic are not listed in current Imperial records.
- Legends of the Dark Millennium: Deathwatch (Novel) by Ian St. Martin