Stephenson Family Tree » Brian I Cathan An Duin O'Neil, "High King of Ireland" (± 1187-1260)

Personal data Brian I Cathan An Duin O'Neil, "High King of Ireland" 


Household of Brian I Cathan An Duin O'Neil, "High King of Ireland"

(1) He had a relationship with Gill MacDougall.


Child(ren):



Child(ren):



Child(ren):



Child(ren):



(6) He has/had a relationship with Julia O'Donnell.


(7) He had a relationship with Sisile MacLochlain.


(8) He had a relationship with Elizabeth of Cowall.

Do you have supplementary information, corrections or questions with regards to Brian I Cathan An Duin O'Neil, "High King of Ireland"?
The author of this publication would love to hear from you!


Timeline Brian I Cathan An Duin O'Neil, "High King of Ireland"

  This functionality is only available in Javascript supporting browsers.
Click on the names for more info. Symbols used: grootouders grandparents   ouders parents   broers-zussen brothers/sisters   kinderen children

Ancestors (and descendant) of Brian I Cathan An Duin O'Neil,

King Áod of Tir-Eoghin
± 1145-1177
Unknown ingen Matudan II
± 1130-????
Ruaidrí macTairrdelbach
1136-1198
Etaa Ua Eagra O'Hara
1141-1204

Brian I Cathan An Duin O'Neil,
± 1187-1260

(1) 

Gill MacDougall
1232-????



Onbekend

Domnall MacBrian O'Neill of Ulster
± 1260-1325


Onbekend

Domnall MacBrian O'Neill of Ulster
± 1260-1325


Onbekend

Domnall MacBrian O'Neill of Ulster
± 1260-1325


Onbekend

Domnall MacBrian O'Neill of Ulster
± 1260-1325
(2) 

Julia O'Donnell
1220-????

(3) 

Sisile MacLochlain

(4) 

Elizabeth of Cowall


With Quick Search you can search by name, first name followed by a last name. You type in a few letters (at least 3) and a list of personal names within this publication will immediately appear. The more characters you enter the more specific the results. Click on a person's name to go to that person's page.

  • You can enter text in lowercase or uppercase.
  • If you are not sure about the first name or exact spelling, you can use an asterisk (*). Example: "*ornelis de b*r" finds both "cornelis de boer" and "kornelis de buur".
  • It is not possible to enter charachters outside the standard alphabet (so no diacritic characters like ö and é).

The data shown has no sources.

Historical events

Day of death May 16, 1260



Same birth/death day

Source: Wikipedia


About the surname O'Neil,

  • View the information that Genealogie Online has about the surname O'Neil,.
  • Check the information Open Archives has about O'Neil,.
  • Check the Wie (onder)zoekt wie? register to see who is (re)searching O'Neil,.

The Stephenson Family Tree publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Brian K. Stephenson , "Stephenson Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/stephenson-family-tree/I117529.php : accessed May 5, 2025), "Brian I Cathan An Duin O'Neil, "High King of Ireland" (± 1187-1260)".