Cathal Ó Madadhan (died 1286) was King of Síol Anmchadha.
No details seem to be known of his era.
References
- http://www.ucc.ie/celt/published/T100005B/
- O'Madáin:History of the O'Maddens of Hy-Many, Gerard Madden, 2004. ISBN 0-9529511-7-7.
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Cathal Ó Madadhan (died 1286) was King of Síol Anmchadha.
No details seem to be known of his era.