Conchobar mac Donnchada
References
Table:
Conchobar mac Donnchada

Clann Cholmáin

Regnal titles

Preceded by

Áed Oirdnide

High King of Ireland
819–833

Succeeded by

Niall Caille

Considering the table that covers 'Conchobar mac Donnchada' in the 'References' section, compose one sentence describing only the highlighted cells and format it within the following JSON object {"answer": "YOUR ANSWER"}.