Domnall, King of Ailech1 
He gained the title of King of Ailech in 887.1 He later shared kingship with his brother Niall.1 He abdicated as King of Ailech in 915.1 He was a monk or pilgrim after 915.1 Some of his descendants were heirs to the Northern Kingdom or Kings of Ailech down to Donnchadh, King of Ailech, and Ardgar, heir to Ailech (killed 1124.)1
Flann (?)1 
Child of Flann (?)
- Máel Ruanaid (?)+1 d. 941
- [S167] Francis Byrne, Irish Kings and High-Kings (Ireland: Four Courts Press, 2001), page 284. Hereinafter cited as Irish Kings and High-Kings.
Máel Ruanaid (?)1 
Child of Máel Ruanaid (?)
- Máel Sechnaill (?)+1 d. 997
- [S167] Francis Byrne, Irish Kings and High-Kings (Ireland: Four Courts Press, 2001), page 284. Hereinafter cited as Irish Kings and High-Kings.
Máel Sechnaill (?)1 
Children of Máel Sechnaill (?)
- Niall (?)1 d. 1061
- Lochlainn (?)1 d. 1023
- [S167] Francis Byrne, Irish Kings and High-Kings (Ireland: Four Courts Press, 2001), page 284. Hereinafter cited as Irish Kings and High-Kings.
Niall (?)1 
- [S167] Francis Byrne, Irish Kings and High-Kings (Ireland: Four Courts Press, 2001), page 284. Hereinafter cited as Irish Kings and High-Kings.
Lochlainn (?)1 
- [S167] Francis Byrne, Irish Kings and High-Kings (Ireland: Four Courts Press, 2001), page 284. Hereinafter cited as Irish Kings and High-Kings.
Máel Mithig (?)1 
Child of Máel Mithig (?)
- [S167] Francis Byrne, Irish Kings and High-Kings (Ireland: Four Courts Press, 2001), page 281. Hereinafter cited as Irish Kings and High-Kings.
Flannacán (?)1 
Child of Flannacán (?)
- Máel Mithig (?)+1 d. 919
- [S167] Francis Byrne, Irish Kings and High-Kings (Ireland: Four Courts Press, 2001), page 281. Hereinafter cited as Irish Kings and High-Kings.
Cellach (?)1
Child of Cellach (?)
- Flannacán (?)+1 d. 896
- [S167] Francis Byrne, Irish Kings and High-Kings (Ireland: Four Courts Press, 2001), page 281. Hereinafter cited as Irish Kings and High-Kings.
Congalach (?)1 
Child of Congalach (?)
- [S167] Francis Byrne, Irish Kings and High-Kings (Ireland: Four Courts Press, 2001), page 281. Hereinafter cited as Irish Kings and High-Kings.