1) Ulster Cycle character 
Clothru was, according to medieval Irish legend, the daughter of Eochu Feidlech, a High King of Ireland. When her triplet brothers, the findemna, were fighting with their father Eochu Feidlech for the high kingship, she was concerned that her brothers might die without heirs. She is said to have seduced the three of them, and conceived Lugaid Riab...