Overview
According to a tract seemingly composed well after the 9th century, Lathóg of Tír Chonaill was mother of the poet Flann mac Lonáin.
Lathóg once advised Flann to be liberal and open-handed, because the ollamh is bound to give the same hospitality he receives (MacCana, 1974).
A verse
References
Lathóg of Tír Chonaill Wikipedia(Text) CC BY-SA