A brief prose passage found in the Book of Leinster, which summarises events in the power struggles between Brían, Fíachra and Ailill, sons of Eochaid Mugmédon, including the poisoning of Crimthann mac Fidaig, king of Ireland, by his sister Mongfhind. The text highlights some of the place-names in that story. Because the manuscript page is worn at the right edge, the text is now partly illegible.
Dinnshenchas of Lechtán Óenfhir Aífe.
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Dinnshenchas of Loch nDechet (Loch Techet), usually identified as Lough Gara, versions of which occur in both prose and verse. The lake is said to derive its name from a certain Dechet, a rath-builder who was generously rewarded for his work and received the produce of Ess Ruaid (Assaroe) as his provisions. However, he ate and drank so much that he ended up going mad and drowned in the lake.
Dinnshenchas on Loch Dergderc: how Eochaid mac Luchta, king of Munster, gave up an eye to satisfy the cruel demands of the Ulster poet Ferchertne mac Athló and washed the bleeding socket.