Ernmas is an Irish

Irish mythology

The mythology of pre-Christian Ireland did not entirely survive the conversion to Christianity, but much of it was preserved, shorn of its religious meanings, in medieval Irish literature, which represents the most extensive and best preserved of all the branch and the Historical Cycle. There are...

 mother goddess

Goddess

A goddess is a female deity. In some cultures goddesses are associated with Earth, motherhood, love, and the household. In other cultures, goddesses also rule over war, death, and destruction as well as healing....

, mentioned in Lebor Gabála Érenn

Lebor Gabála Érenn

Lebor Gabála Érenn is the Middle Irish title of a loose collection of poems and prose narratives recounting the mythical origins and history of the Irish from the creation of the world down to the Middle Ages...

and "Cath Maige Tuired" as one of the Tuatha Dé Danann

Tuatha Dé Danann

The Tuatha Dé Danann are a race of people in Irish mythology. In the invasions tradition which begins with the Lebor Gabála Érenn, they are the fifth group to settle Ireland, conquering the island from the Fir Bolg....

. Her daughters include the trinity of eponymous Irish goddesses Ériu

Ériu

In Irish mythology, Ériu , daughter of Ernmas of the Tuatha Dé Danann, was the eponymous matron goddess of Ireland. Her husband was Mac Gréine ....

, Banba

Banba

In Irish mythology, Banba daughter of Ernmas of the Tuatha Dé Danann, is the patron goddess of Ireland....

 and Fódla

Fódla

In Irish mythology, Fódla or Fótla , daughter of Ernmas of the Tuatha Dé Danann, was one of the tutelary goddesses of Ireland. Her husband was Mac Cecht....

, the trinity of war goddesses the Badb

Badb

In Irish mythology, the Badb or Badhbh —meaning "crow" or "vulture"—was a war goddess who took the form of a crow, and was thus sometimes known as Badb Catha . She often caused fear and confusion among soldiers in order to move the tide of battle to her favoured side...

, Macha

Macha

Macha is the name of a goddess and several other characters in Irish mythology.Macha can also mean:*The LÉ Macha , a ship in the Irish Naval Service, named for the goddess*The Macha crater in Russia, less than 7000 years old...

 and the Mórrígan

Morrígan

The Morrígan or Mórrígan , also written as Morrígu or in the plural as Morrígna, and spelt Morríghan or Mór-Ríoghain in Modern Irish, is a figure from Irish mythology who appears to have once been a goddess, although she is not explicitly referred to as such in the texts.The Morrigan is a goddess...

 (who is also named Anann

Anann

In Irish mythology, Anann was a goddess. 'Anann' is identified as the personal name of the Morrígan in many MSS of Lebor Gabála Érenn. With Badb and Macha, she is sometimes part of a triple goddess or a triad of war goddesses. As such, she may be a Celtic personification of death, and is depicted...

), and also a trinity of sons, Glonn

Glonn

Glonn is a market town in the Ebersberg district in Upper Bavaria, Germany, about southeast of Munich.- Geography :The market town of Glonn is a health spa , and the Glonn Valley is ringed by wooded hills, carved by the former Inn glacier...

, Gnim, and Coscar.
Her other sons are Fiacha and Ollom. Ernmas was killed during the first battle of Mag Tuired.