Date
Name Efnisien
Gender Masculine
Usage Welsh Mythology
Other Forms FormsEfnissien, Efnysien, Evnissien
Edit Status Status
Meaning & History
From the welsh efnys, meaning "hostile, enemy". This name was borne by the son of Llyr's wife Penarddun by Euroswydd, who eventually causes the fall of Ireland when his half-sister Branwen is married off to the Irish king Matholwch without his permission.