Kalends of January
[...]
. AD 990 alias 991.
Donnchad ua Congalaigh, heir designate of Temair, was deceitfully killed by Mael Sechnaill.
There was killed Tadc son of Donnchad, heir designate of Osraige,by the men of Mumu, Aed ua Ruairc, heir designate of Connacht, and Dub Darach ua Fiachnaby the Cenél Eógain.