MO

Margaret O'Brien of Thomond

Vitals

Family

Parents
TA
Teige an-Chomhaid O'Brien
d. 1468
AB
Annabella Burke
Siblings
TD
Turlogh Donn O'Brien
b. 1499
Spouse
JF
James FitzGerald Earl of Desmond
d. 1487
Children
JF
Joan FitzGerald of Desmond

About

Margaret O'Brien was a daughter of the King of Thomond, and through her the royal O'Brien blood entered the Desmond earls and the Roches.

Research notes

✓ MARGARET, da. of TEIGE O'BRIEN of THOMOND - identified with TADHG AN-CHOMHAID O'BRIEN, King of Thomond (d.1466/8, I99660, ALREADY IN THE TREE with wife Annabella Burke); wife of James Earl of Desmond; mother of Joan (our line). This rung LOOPS the Desmond gateway onto the existing O'Brien kings - the tree's own Thomond line, met again three centuries downstream. Source: CP 'Fermoy' pp.327 + the standard Desmond succession (numbering follows identity; the earls' ordinals vary between authorities because of the 1462 usurpation); contested rungs note-only.

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