Nightbringer | The Arthurian Online Encyclopedia

Riger the Brown

A knight, possibly of the “Brown” lineage, who sat in the Perilous Seat. The earth opened beneath him and swallowed him. This occurred during Uther Pendragon’s reign.

See also
Brown Family | The Legend of King Arthur
Siege | The Legend of King Arthur

Les Prophecies de Merlin | Richart d’Irlande, 1272-1279