Nisien is a figure in
Welsh mythology
Welsh mythology (also commonly known as ''Y Chwedlau'', meaning "The Legends") consists of both folk traditions developed in Wales, and traditions developed by the Celtic Britons elsewhere before the end of the first millennium. As in most of t ...
, the son of
Penarddun and
Euroswydd and twin brother of
Efnysien.
He appears in the
Second Branch of the Mabinogi, which names
Brân the Blessed
Brân the Blessed ( or ''Brân Fendigaidd'', literally "Blessed Crow") is a giant and king of Britain in Welsh mythology. He appears in several of the Welsh Triads, but his most significant role is in the Second Branch of the Mabinogi, '' ...
,
Branwen, and
Manawydan as his half-siblings. Nisien, also Nissyen, was the opposite of his brother Efnisien in personality. He was tranquil and generous, while Efnisien was vindictive and destructive.
References
Welsh mythology
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