Nightbringer | The Arthurian Online Encyclopedia

Adar Rhiannon

‘Birds of Rhiannon’

Three supernatural birds, belonging to the goddess Rhiannon. They were said to

wake the dead and lull the living to sleep.

Culhwch had a task given to him by Ysbaddaden Bencawr – to retrieve the birds for them to soothe him on his last night of life.

Mabinogion | Written in 12th to 13th centuries.
Culhwch and Olwen | Written c. 1400.