This Chapter is a rare example where its Astartes' beliefs are in conflict with official Administratum records, as they claim to be descended from the Ultramarines' Primarch Roboute Guilliman, even though the official data-files show that their ancestry is that of Jaghatai Khan's White Scars.
There is little else known about this Chapter in current Imperial records.
The white squad specialty symbol -- battleline, close support, fire support, Veteran or command -- is worn on the right shoulder plate. A white Low Gothic numeral is placed on the inside of the shoulder plate, next to the squad specialty symbol.
The colour of the left knee guard indicates company number in accordance to the Codex Astartes -- i.e. White (1st Company), Yellow (2nd Company), Red (3rd Company), etc. To further identify what company a battle-brother belongs to, a white Low Gothic numeral is placed on the left knee guard as well.
The Griffon Lords' Chapter badge is a white griffon rampant, centred on a field of cerulean blue.
- Adeptus Astartes: Successor Chapters (Limited Release Booklet), pg. 48
- Codex: Space Marines (6th Edition), pg. 73