Láeg may have been a descendant of the Tuatha Dé Danann. His father Riangabar may have been one of the fairy folk, _sidhe_, a later version of the Tuatha Dé Danann. This would explain why he would be exempted from Macha's curse.
> Cu Chulainn, the hero of the chief epic Tain Bo Cuailnge ("The Cattle-Raid of Cooley"), whose father is alternately made out to be Lug or the mortal Sualtam; and Loeg, Cu chulainn's charioteer, is the son of **the elf-chieftain Riangabar** , as are the charioteers of some other Ulster heroes.
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> **\- Fulk, Robert D. “History in Medieval Scandinavian Heroic Literature and the Northwest European Context.” In _Epic and History_ , ed. David Konstan and Kurt A. Raaflaub, 328–46. Chichester: Wiley-Blackwell, 2010.**