Bretonnia
Total War: Warhammer DLCfreeSteam store page ↗
What needs this DLC in Warhammer III patch 9.0, by the game's ownership tables. Some content can be unlocked by more than one DLC; it is listed under the one every unlocking set shares, else the earliest.
Lords and heroes (3)
Alberic de Bordeleaux
Bordeleaux Errant
Comes with Bretonniafree(Warhammer I)
Defeat trait: Hammer & Anvil
Legendary lord.
Units (3)
Factions (3)
Source: ownership_products (Bretonnia), ownership_content_pack_requirements, …_required_products and the unit, agent-subtype and faction ownership junctions, patch 9.0.