Slany O’Brien1 
Her married name became FitzMaurice.1
Children of Slany O’Brien and Nicholas fitz Maurice, 2nd Baron of Kerry and Lixnaw
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume VII, page 204. Hereinafter cited as The Complete Peerage.
- [S37] BP2003 volume 2, page 2238. See link for full details for this source. Hereinafter cited as. [S37]
Connor O’Brien, Prince of Thomond1 
Children of Connor O’Brien, Prince of Thomond
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume VII, page 204. Hereinafter cited as The Complete Peerage.
- [S6] Cokayne, and others, The Complete Peerage, volume VII, page 205.
Matthias fitz Maurice1
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume VII, page 204. Hereinafter cited as The Complete Peerage.
Maurice fitz Nicholas, 3rd Baron of Kerry and Lixnaw1 
He succeeded as the 3rd Baron of Kerry and Lixnaw [I., c. 1295] in 1317.1 He held the office of Sheriff of Kerry in 1332.1 He held the office of Sheriff of Kerry in 1334.1 In May 1335 he was summoned to fight against the Scots.1
Child of Maurice fitz Nicholas, 3rd Baron of Kerry and Lixnaw and Honor O’Connor
- David fitz Maurice2 d. b 1339
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume VII, page 204. Hereinafter cited as The Complete Peerage.
- [S37] BP2003 volume 2, page 2238. See link for full details for this source. Hereinafter cited as. [S37]
John fitz Nicholas, 4th Baron of Kerry and Lixnaw1 
He succeeded as the 4th Baron of Kerry and Lixnaw [I., c. 1295] in October 1339.1 On 10 July 1370 he was taken near Limerick by O’Biren and McCarthy, along with the Earl of Desmond and other nobles.2 He was appointed Knight before 1374.3 In August 1375 he was ordered by the King to arrest his son, Maurice FitzJohn, after Maurice seized the goods of a Bristol merchant at Tralee.2
Children of John fitz Nicholas, 4th Baron of Kerry and Lixnaw and Elinor fitz Gerald
Child of John fitz Nicholas, 4th Baron of Kerry and Lixnaw and Honor O’Brien
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume VII, page 204. Hereinafter cited as The Complete Peerage.
- [S6] Cokayne, and others, The Complete Peerage, volume VII, page 205.
- [S37] BP2003 volume 2, page 2238. See link for full details for this source. Hereinafter cited as. [S37]
Honor O’Brien1
She was also known as Margaret O’Brien.1 Her married name became FitzNicholas.1
Child of Honor O’Brien and John fitz Nicholas, 4th Baron of Kerry and Lixnaw
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume VII, page 205. Hereinafter cited as The Complete Peerage.
unknown O’Brien of Thomond1
Child of unknown O’Brien of Thomond
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume VII, page 205. Hereinafter cited as The Complete Peerage.
unknown O’Brien1
Child of unknown O’Brien
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume VII, page 205. Hereinafter cited as The Complete Peerage.
Elinor fitz Gerald1
Children of Elinor fitz Gerald and John fitz Nicholas, 4th Baron of Kerry and Lixnaw
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume VII, page 205. Hereinafter cited as The Complete Peerage.
- [S37] BP2003 volume 2, page 2238. See link for full details for this source. Hereinafter cited as. [S37]
Gerald fitz Pierce1
Child of Gerald fitz Pierce
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume VII, page 205. Hereinafter cited as The Complete Peerage.
