Also spelled Loigsech, Laidsech, and Laisech.
Events
Date of Birth: unknown.
Place of Birth: unknown.
Date of Death: 1149.
Place of Death: unknown.
Baldwin gives this date from the Chronicon Scotorum. It is also given by Jaski.
Relationships
Father: Amargen ua Mórda.
This relationship is given by Baldwin and by Jaski (p. 125).
Mother: Gormlaith ingen Mac Carrach Calma (?).
This relationship is given by Baldwin, who explains that the name of Gormlaith’s father has been lost, but that she was a descendant of Donnchad “Carrach Calma” (died 969).
Spouse: Gormlaith ingen Finn ua Caellaide.
This relationship is given by Baldwin. It is recorded in the Ban Senchus (see below).
Children (by Gormlaith):
(I am basing the children here on Dobb’s version of the Ban-Shenchus, but I haven’t checked how modern scholarship views all the relationships here. My personal understanding of old Irish historiography and even my ability to read the language is contemptible, so take it for what it’s worth.)
Mac Craith rí of Laígis (fl. 1165).
Cacht married (1) Gilla Pátraic of Osraige; married (2) Donnchad ua Conchobair, king of Uí Fáilge; married (3) Muirchertach ua Tuathail, king of northern Leinster.
Duíbe Cablaíge
Children:
(Given by Jaski p. 125):
Cú Choicriche
Evidence
from the Ban Senchus (Dobbs ed, Revue Celtique XLVIII (1931) p. 233):
Gormlaith (ob. 1152) ingen Find m. Dunlaing hUi Ceallaig, bean Laígsíg (ob. 1149) hUi Morda, mathair Mic Raith (see 1158) ríg Laígsi, 7 Caicte 7 Duíbe Cablaíge:
[Cacht ingen hUi Morda,
Dúbcablaíg ingen hUi Morda].
from the Chronicon Scotorum (s.a. 1149):
Laigsech ua Mórda, king of Laígis, died.
References
Baldwin, Stewart. “Eve of Leinster and Radnaillt of Dublin”, a posting (26 February 1998) to soc.genealogy.medieval.
Chonicon Scotorum (William M. Hennessy, Gearóid Mac Niocaill trans.). CELT: Corpus of Electronic Texts (University College, Cork, 2010).
Dobbs, Margaret. “The Ban-Shenchus” in Revue Celtique (1930, pp. 283-339; 1931, pp. 163-234; 1932, pp. 437-489).
Jaski, Bart. “The traditional rule of succession in early Ireland” (Ph.D. thesis, Trinity College Dublin, 1994). Appendix 2, Genealogical tables of medieval Irish royal dynasties. Online PDF:
https://www.academia.edu/4144299/Genealogical_tables_of_medieval_Irish_royal_dynasties