Irish mythology Irish mythology is the body of myths native to the island of Ireland. It was originally passed down orally in the prehistoric era, being part of ancient Celtic religion. Many myths were later written down in the early medieval era by Ch ...

, Daolghas was a man described in a late

medieval In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire ...

tale who impregnated his daughter supernaturally.

Story

The Irish hero

Fionn mac Cumhail Fionn mac Cumhaill ( ; Old and mga, Find or ''mac Cumail'' or ''mac Umaill''), often anglicized Finn McCool or MacCool, is a hero in Irish mythology, as well as in later Scottish and Manx folklore. He is leader of the '' Fianna'' bands of ...

's story was told in the ''Feis Tighe Chonáin'' nglish: The Feast at Conán's House In the story, Fionn and his warrior band were hunting but he and Diorraing were separated at nightfall. They were given hospitality for the night in the

fairy fort Fairy forts (also known as ''lios'' or ''raths'' from the Irish, referring to an earthen mound) are the remains of stone circles, ringforts, hillforts, or other circular prehistoric dwellings in Ireland. From (possibly) the late Iron Age to ea ...

of Conán. Fionn asks to marry Conán's daughter but before his wish was granted, he was presented with the riddle: ''What man was the son of his own daughter?'' Fionn responded, Daolghas and explained as Daolghas lay dying, his daughter stooped to kiss him. As she did, a spark of fire flew from his mouth to hers, impregnating her. When the child was born, she named him for her father. Fionn was then permitted to marry Conán's daughter. In his resting years he was taken by a heart attack over the guilt of what he had done. He was not mourned. Celtic mythology {{Celt-myth-stub