NIGHTBRINGER | The Arthurian Encyclopedia

Gotegrim

Gotegrin

Brother of Guenevere.

He carried her off when she refused to leave Arthur and go with Gasozein who claimed to be her husband. Gotegrim backed Gasozein’s claims and threatened to kill his sister, according to the German Diu Crône.


Source
Diu Crône | Heinrich von dem Türlin, c. 1230