Horus Heresy · atlas

Knight House · loyalists

House Moritain

House Moritain is a loyalist Knight House of scholars (Questor Mechanicus) from Ceamira, a vassal of the forge of Graia; Scions had to prove themselves in philosophy and science before ascending to the Throne Mechanicum. At Beta-Garmon it lent Knight support to Legio Astraman. In the Cataclysm of Iron it fielded 60 Knights at the Censure of Urdesh with Legio Gryphonicus (the Morning Stars).

Category
Knight House
Side
Loyalists
Key events
1 event
Forces
~125 Knights at the start of the Heresy, 3/5 of them of the “Cerastus” pattern; homeworld — Ceamira, a vassal of the scientific forge of Graia. Scholar-Knights.

Fate

A loyal house; it fought in the Cataclysm of Iron (the Censure of Urdesh) under the banners of Graia.

Key events

Sources

  1. WH40k Fandom: House Moritain
  2. Atlas compilation · source check 2026
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