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List of pedigrees
Bland of Northern Neck Va.
Nicholas of Roundway
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Thruston
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If you want your entire peidgree to be posted in the InternetPlease use this free blank table pedigree and attach it to an e-mail to the author of this site! Only HTML format can be posted. save this file to your computer with your browser then open it with NotePad or any other text editor to replace the text between the .
'OBrien01: O'Brien Kings of Ireland, Munster and Thomond
Brian Boru, King of Ireland b c926, d 23.04.1014§A
partners unknown
1. Murchad O'Brien d 1014
A. Toirrdelbach O'Brien
2. Teige Terence O'Brien d 1023
A. Toirrdelbach Turlough O'Brien, King of Munster and Ireland d 14.07.1086
i. Muirchertach II O'Brien, King of Munster and Ireland d 13.03.1119
a. Blathmin O'Brien b 1095
m 1100 Sigurd I Magnusson, King of Norway b c1089, d 26.03.1130
b. Mathgamain O'Brien, Prince of Corcobaskin d 1129 ancestor of the McMahons
c. Domnall O'Brian, King of Dublin d 1135
d. Lafrocath O'Brien
JY
Not recorded by RoyalData but 'The Origin and History of the Montgomeries' by BG De Montgomery 1948 identifies Arnulf's wife as "Princess Lafracoth, daughter of Murtagh O'Brien, King of Munster".
m 1101 Arnulf de Montgomery, lord of Pembroke 'Cimbricus' a 1090, 1160
JY
ii. Diarmait Dermot O'Brien, King of Munster d 1118
a. Toirrdelbach Turlough O'Brien, King of Thomond d 1167
1 Constantin O'Brien, Bishop of Killaloe d 1194
2 Muirchertach O'Brien, King of Desmond d 1168
3 Donnell More O'Brien, King of Munster d 1194
m Urlachan dau of Diarmait MacMurchada Dermot MacMurrough, King of Leinsterbelow
A Muirchertach Finn O'Brien, King of Thomond d 1241
B Conchobar Ruad O'Brien, King of Thomond d 1203
C Donnchad Cairprech Cairbreach O'Brien, King of Thomond d 1242
i Toirdelbach O'Brien d 1243
ii Muirchertach O'Brien d 1241
iii Conchobar Conor Na Suidaine macDonnchada O'Brien, King of Thomond d 22.05.1258
iv Slaney O'Brien, Abbess of Killone Abbey
D Domnal Connachtach O'Brien
E Muirchertach Dall O'Brien
Not recorded by RoyalData but www.lawrencetown.com/longago.htm reports that, in or about 1193, three daughters of Donnell O'Brien then King of Thomond respectively married William De Burgh, the head of the O'Kelly clan, and Cathal Crovderg brother of Rory O'Connor. The connection was first found in another source, and the name of Mor recorded, but the identity of that source was unfortunately not recorded ! That source identified Mor as apparently married mother of William's eldest son Richard, who was born about 1191, so it is assumed that Mor married William in about 1190.
F Mor O'Brien
Y
m c1190 William de Burgh, Lord of Connaught d 1205
Y
G Duncola or Dubh Chabla O'Brien
m Domhnall Daniel Mor O'Ceallagh, Chief of Hy-Many d c1224
H daughter
m Cathal Crovderg brother of Rory O'Connor
4 Brian O'Brien d 1168
b. Conchobar O'Brien, King of Thomond d 1142
1 Muirchertach O'Brien d 1151
A Conchabar "Slaper Salach" O'Brien d 1168
c. Tadg Glae O'Brien, King of Desmond d c1154
1 Diarmait O'Brien
A Connor O'Brien
d. Donnachad O'Brien, Bishop of Kilaloe d 1164
iii. Tadg O'Brien, King of Munster d 118
a. Domnall O'Brien, King of Isles d 1115
b. Amlaib O'Brien d 1096
iv. Donnchad O'Brien d 1103
3. Domnall Ban O'Brien d 1052
A. Diarmait O'Brien d 1051
4. Slani O'Brien
HJY
m Sihtric 'Silkbeard', King of Dublin d 1042
HJY
m Gormflaeth ingen Murchada MacFinn
5. Donnchad O'Brien, King of Munster d 1064
partners unknown
A. Deabforgail O'Brien d 1080
m Diarmait MacMail Dermot MacMailnamo, King of Ireland d 1072
i. Murchad, King of Leinster d 1070
a. Donnchad, King of Leinster d 1151
1 Diarmait MacMurchada Dermot MacMurrough, King of Leinster d 1171
m Mor O'Toole dau/sister of Murtoug O'Toole of Omurethy
A Donall Kavanagh Caomhanagh ancestor of Kavanagh families
B Urlachan
Y
m Donnell More O'Brien, King of Thomond d 1194 above
Y
C Aoife or Eve d 1177
HJRY
m 26.07.1171 Richard 'Strongbow' de Clare, 2nd Earl of Pembroke b c1125, d 20.04.1176
HJRY
B. Murchad O'Brien, King of Munster d 1068
i. Brian O'Brien, King of Munster d 1118
ii. Moy O'Brien
m Murchad O'Neill dau of Domnaill O'Neill, King of Mide
C. Lorcan O'Brien d 1078
i. Conchbar O'Brien, King of Tulach d 1078
ii. Cennetig O'Brien, King of Tulach d 1084
m Driella dau of Godwin, Earl of Wessex and Kent
A. Donald Bane O'Brien

Sources:
1 'RoyalData'. The speeling may not be the linguistically correct conversions of old Irish.
2 "The Royal Line of Succession", edited by Patrick Montague-Smith, Pitkin Guides Limited, 1996 reprint, ISBN 0-85372-404-0.
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