O'Brien (No.12) family genealogy

Of Donegal

Arms: Ar. a sinister hand couped at the wrist affrontée gu.

BRAON DIA, brother of Aodh Fionnliath who is No. 99 on the (No. 1) "O'Neill" (of Tyrone) pedigree, was the ancestor of Clann Braoin, of Magh Ithe, in the county Donegal; anglicised O'Brien.

99. Braon Dia ("braon:" Irish, a drop; "dia," abundance): son of Niall Caille, the 166th Monarch of Ireland; a quo Clann Braoin, of Magh Ithe.

100. Cathal: his son.

101. Ruarcan: his son.

102. Maolduin: his son.

103. Gairbiadh: his son.

104. Feargal: his son.

105. Niall: his son.

106. Flaithearthach: his son.

107. Donchadh O'Brien: his son.