Ciarán Brennan (born Ciarán Ó Braonáin) is an Irish

Ireland

Ireland is an island to the northwest of continental Europe. It is the third-largest island in Europe and the twentieth-largest island on Earth...

 singer, songwriter

Songwriter

A songwriter is an individual who writes both the lyrics and music to a song. Someone who solely writes lyrics may be called a lyricist, and someone who only writes music may be called a composer...

, producer

Record producer

A record producer is an individual working within the music industry, whose job is to oversee and manage the recording of an artist's music...

 and instrumentalist from Gweedore

Gweedore

Gweedore is an Irish-speaking district located on the Atlantic coast of County Donegal, part of the Province of Ulster in Ireland. Gweedore stretches some 16 miles from Meenaclady in the north to Crolly in the south and around 9 miles from Dunlewey in the east to Magheraclogher in the west, and...

, Co Donegal. He shot to fame along with his family with the hugely successful group Clannad.

Ciarán revealed to the Irish Independent newspaper in March 2007 that he had a very stormy relationship with his sister Enya

Enya

Enya is an Irish singer, instrumentalist and songwriter. Enya is an approximate transliteration of how Eithne is pronounced in the Donegal dialect of the Irish language, her native tongue.She began her musical career in 1980, when she briefly joined her family band Clannad before leaving to...

 and her (and ex-Clannad) producer, Nicky Ryan

Nicky Ryan

Nicholas Dominick Ryan is an Irish music producer, recording engineer and manager for the musician Enya. He previously managed the Irish group Clannad, the band with which Enya first performed. In 1982, when Nicky Ryan left Clannad, Enya followed him...

, especially Ryan. It stemmed from when Ryan left Clannad to work with Enya in 1981.

In the same interview, Ciarán dismissed claims that Clannad had split in 1997 because of his alcohol problem.