: HEN WEN
Welsh: Old White
1. The sow of Dallwyr Dallben, chased by Coll ap Collfrewy across Prydein, before giving birth to a series of beasts, including the Cath Palug of "Pa gwr" fame. She also gave birth to an eagle and a wolf. This is recounted in detail in Triad 26: The Three Powerful Swineherds of the Isle of Britain.
2. The same, only this time refering to Hen Wen the Oracular Pig in The Chronicles of Prydain. She can tell the future, and is hunted by Arawn Lord of Annuvin. Taran Assistant Pig-keeper is her ...well, pig keeper.
It has been theorized that Hen Wen is an animal manifestation of Cerridwen