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Books about Teaghlaigh:
Gaolta Gairide: Rogha dánta comhaimseartha ar théamaí óige agus caidrimh teaghlaigh (Irish Edition) by Máirín Nic Eoin (Mar 17, 2013)
Wiki information Teaghlaigh:
Fearghal Ó Taidg an Teaghlaigh, Chief of the Name, Marshal and bodyguard of King Cathal Crobhdearg Ua Conchobair of Connacht and his successor, Aedh, died 1226.