Murchad macBran Mutt O'DUNLAINGE , K. Leinster (____ - ____)
Mael Morda macFinn O'FAELAIM , K. Leinster (____ - ____)
Broen macMael Morda O'FAELAIN , K. Leinster (____ - ____)
Cerball macMuirecan O'FAELAIN , K. Leinster (____ - ____)
Diarmait macRuaidri O'FAELAIN (____ - ____)
Domnall macMuircan O'FAELAIN , K. Leinster (____ - ____)
Finn macMael Morda O'FAELAIN (____ - 0923)
Mael Morda macMuirecan O'FAELAIN (____ - 0917)
Muirecan macDiarmait O'FAELAIN , K. Leinster (____ - 0863)
Muiredach macRuaidri O'FAELAIN , K. Leinster (____ - ____)
William OFFILL (____ - ____)
Cearnachan O'GAIRBITA , King Ui Feilmeda (____ - ____)
Uchdelb ingen Cearnachain O'GAIRBITA (____ - ____)
Ita v. OHNINGEN (____ - 16 Oct 1000)
Dubgall OLAFSSON (____ - ____)
Dubgilla OLAFSSON (____ - ____)
Gofraid OLAFSSON (____ - ____)
Harald OLAFSSON (____ - ____)
Sihtric Silkbeard OLAFSSON , King of Dublin (____ - ____)
Halfdan "The OLD" (ABT 0790 - ____)
Amargen O'MORDA , King of Loigsi (____ - 1097)
Amargen O'MORDA , King of Loigsi (____ - 1026)
Cacht ingen Loigsig O'MORDA (____ - ____)
Cinaed O'MORDA (____ - ____)
Faelan O'MORDA , King of Loigsi (____ - 1069)
Loigsech O'MORDA , King of Loigsi (____ - 1149)
William ONEAL (____ - ____)
Michael O'NEAL (____ - ABT 19 Oct 1767)
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