Donngal mac Laidcnén

Donngal mac Laidcnén (died 761) was a king of the Uí Cheinnselaig of South Leinster. He belonged to the Sil Chormaic sept of this branch of the Laigin and specifically to a branch which took over leadership of the Uí Dróna -the baronies of Idrone in modern County Carlow. His last paternal ancestor to hold the throne was his great great grandfather Crundmáel Erbuilc (died 655)^[1] He ruled from 758 to 761.

Donngal faced an attack by the Osraige under their king Anmchad mac Con Cherca. He suffered an initial defeat at Gowran in 759.^[2] In 761 Donngal was defeated and slain at the Battle of Belach Gabraín (pass of Gowran in east-central Osraige) versus the Osraige.^[3] He was succeeded by his brother Dub Calgaid mac Laidcnén (died 769).^[4]

His son Cellach Tosach mac Donngaile (died 809) was also a King of Uí Cheinnselaig.^{[citation needed]}