Horus Heresy · atlas

Knight House · traitors

House Caesarean

House Caesarean is a traitor Knight House from the moon of Octavia. At the dawn of the Heresy each Caesarean unit swore allegiance to the commanders it fought beside, not to the Emperor or the Warmaster — and field alliances with the Iron Warriors (IV) and Legio Krytos drew the house after Horus. It fought at Tallarn and at Beta-Garmon, lending Knight support to Legio Krytos.

Category
Knight House
Side
Traitors
Key events
2 events
Forces
Homeworld — Octavia, a moon in the Segmentum Obscurus; closely tied to the Iron Warriors (IV) and Legio Krytos.

Fate

A traitor/renegade house in the service of the Ruinous Powers.

Key events

Sources

  1. WH40k Fandom: House Caesarean
  2. Lexicanum: Battle of Beta-Garmon
  3. Atlas compilation · source check 2026
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