| Additional Names | Name |
|---|---|
| Nickname | Donncuan “The Simpleton” |
| Name Variation | Donncuan Mac Dúnlainge |
| Father | Date of Birth | Mother | Date of Birth |
|---|---|---|---|
King of Leinster Dúnlang Ii Mac Tuathail Ó Tuathail |
bef 0935 |
| Partner | Date of Birth | Children |
|---|---|---|
Gilla Comgaill Mac Duncuan Ó Tuathail |
| Event Type | Date | Place | Description |
|---|---|---|---|
Birth |
abt 0950 | Kingdom of Leinster, Ireland | |
Occupation |
from 1014 to 1016 | King of Leinster | |
Death |
1015 | Leithghlinn, Kingdom of Leinster, Ireland | He was killed by Donnchadh son of Gillaphadraig at Leithghlinn. |