The PEDIGREE of
Brian (I) Cathan an Duin O'NEILL
King of ULSTER; aka Brian II (King & 184th MONARCH) of IRELAND

Born: ? Died: 1260 k. at Battle of Downpatric

HRH Charles's 22-Great Grandfather.

Wife/Partner: Jill (of ARGYLL) MacDUGALL
Child: Domnall (King of ULSTER) O'NEILL

______	______	______	______	_____	_____
				/	-- Conchobar O'NEILL (King) of ULSTER +	==&=> [ 182 ,,pBD,&]
			/	-- Tadhg Glinne O'NEILL
		/	-- Muircheartach Muighe O'NEILL (? - 1160?)
	/	-- Aedh Macaemh O'NEILL (? - 1177?)
/	-- Niall Ruadh O'NEILL (King) of ULSTER (? - 1223?)
\|	\		/	-- Aed MacEOCHOCAIN (47th King) of ULSTER +		==&=> [ 159 ,,BD,&]
\|	\|	/	-- poss. Matudan (II) MacAEDA (King) of ULSTER (guess)
\|	\|	/	\	-- Barrdub ingen LETHLOBAIR +		==&=> [ 149 ,,D,&]
\|	\	-- (NN) ... (NN) of OSSORY
/			\| ( some missing generations)
- Brian (I) Cathan an Duin O'NEILL
\				/	-- Aed Ua CONCHOBAIR +	==&=> [ 205 ,,ptBD,&]
\|			/	-- Ruaidri (I) Ua CONCHOBAIR
\|		/	-- Turlough (Toirdealbach Mor) O'CONNER (? - 1156?)
\|		/	\	-- Mulrooma MacDERMOTT
\|	/	-- Cathal (VI; 70th King of CONNAUGHT) O'CONOR
\|	/	\	-- prob. Dubhcola MacDERMOTT
\	-- (Miss; of CONNAUGHT) O'CONOR
	\	-- poss. Mor O'BRIEN

His 3-Great Grandchild: Eoghan (Eogan Owen) O'NEILL
His 8-Great Grandchildren: James MacDONNELL ; Aedh XIII `the Great' O'NEILL ; Judith (Siobhan Joan) O'DONNELL