NIGHTBRINGER | The Arthurian Encyclopedia

Ayaò

Ayao

One of seven brothers, including Albaò and Dormadat, who usurped the throne of Tristan the Stranger, ruler of Jakobsland.

Tristan the Stranger sought out his famous namesake, and the two of them returned and slew the seven brothers.


Source
Saga af Tristram ok Isodd | 14th century