Hawise de Tracy1
Children of Hawise de Tracy and John I ‘Lackland’, King of England
- Oliver (?)1 d. 1290
- Osbert Gifford1 d. 1216
- Geoffrey FitzRoy1 d. 1205
- John FitzJohn1
- Odo FitzRoy1 d. c 1242
- Ivo (?)1
- Henry (?)1
- Richard of Wallingford1
- Matilda of Barking1
- Isabella la Blanche1
- [S105] Brain Tompsett, Royal Genealogical Data, online http://www3.dcs.hull.ac.uk/genealogy/royal/. Hereinafter cited as Royal Genealogical Data.
Osbert Gifford1 
- [S105] Brain Tompsett, Royal Genealogical Data, online http://www3.dcs.hull.ac.uk/genealogy/royal/. Hereinafter cited as Royal Genealogical Data.
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 72. Hereinafter cited as Britain’s Royal Families.
- [S11] Alison Weir, Britain’s Royal Families, page 71.
Geoffrey FitzRoy1 
- [S105] Brain Tompsett, Royal Genealogical Data, online http://www3.dcs.hull.ac.uk/genealogy/royal/. Hereinafter cited as Royal Genealogical Data.
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 72. Hereinafter cited as Britain’s Royal Families.
- [S11] Alison Weir, Britain’s Royal Families, page 71.
John FitzJohn1
He was also known as John Courcy.1 He was a clerk at Lincoln, Lincolnshire, EnglandG.1 He was appointed Knight.1
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 71. Hereinafter cited as Britain’s Royal Families.
- [S11] Alison Weir, Britain’s Royal Families, page 72.
- [S105] Brain Tompsett, Royal Genealogical Data, online http://www3.dcs.hull.ac.uk/genealogy/royal/. Hereinafter cited as Royal Genealogical Data.
Odo FitzRoy1 
He was also known as Eudo FitzRoy.1
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 71. Hereinafter cited as Britain’s Royal Families.
- [S11] Alison Weir, Britain’s Royal Families, page 72.
- [S105] Brain Tompsett, Royal Genealogical Data, online http://www3.dcs.hull.ac.uk/genealogy/royal/. Hereinafter cited as Royal Genealogical Data.
Ivo (?)1
- [S105] Brain Tompsett, Royal Genealogical Data, online http://www3.dcs.hull.ac.uk/genealogy/royal/. Hereinafter cited as Royal Genealogical Data.
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 72. Hereinafter cited as Britain’s Royal Families.
Henry (?)1
- [S105] Brain Tompsett, Royal Genealogical Data, online http://www3.dcs.hull.ac.uk/genealogy/royal/. Hereinafter cited as Royal Genealogical Data.
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 72. Hereinafter cited as Britain’s Royal Families.
Richard of Wallingford1
He held the office of Constable of Wallingford Castle.3
- [S105] Brain Tompsett, Royal Genealogical Data, online http://www3.dcs.hull.ac.uk/genealogy/royal/. Hereinafter cited as Royal Genealogical Data.
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 72. Hereinafter cited as Britain’s Royal Families.
- [S11] Alison Weir, Britain’s Royal Families, page 71.
Joan (?)1 
Children of Joan (?) and Llywelyn ap Iorwerth, Prince of North Wales
- Gwladus Du ferch Llywelyn+ d. 1251
- Helen ferch Llywelyn+ b. c 1207, d. bt 1 Jan 1253 – 24 Oct 1253
- Daffyd ap Llywelyn, Prince of North Wales+ b. 1215, d. 1246
- Susanna ferch Llywelyn4 b. 1216, d. a 24 Nov 1228
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 71. Hereinafter cited as Britain’s Royal Families.
- [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 I, page 22. Hereinafter cited as The Complete Peerage.
- [S105] Brain Tompsett, Royal Genealogical Data, online http://www3.dcs.hull.ac.uk/genealogy/royal/. Hereinafter cited as Royal Genealogical Data.
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
Clementina (?)1
Child of Clementina (?) and John I ‘Lackland’, King of England
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 71. Hereinafter cited as Britain’s Royal Families.
- [S105] Brain Tompsett, Royal Genealogical Data, online http://www3.dcs.hull.ac.uk/genealogy/royal/. Hereinafter cited as Royal Genealogical Data.