Marie de Ponthieu 
Child of Marie de Ponthieu and Simon de Dammartin, Comte de Ponthieu et Aumale
- Jeanne d‘Aumale, Comtesse de Ponthieu+ d. 16 Mar 1279
William III Talvas, Comte de Ponthieu1 
He gained the title of Comte de Ponthieu.
Child of William III Talvas, Comte de Ponthieu and Alys Capet
- Marie de Ponthieu+ b. a 1195, d. c 1251
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
Welthean (?)1
She was also known as Gwenllian.1 Her married name became Gybbes.1
Child of Welthean (?) and George Gybbes
- John Gibbe+1 d. Jul 1652
- [S8] BP1999 volume 1, page 51. See link for full details for this source. Hereinafter cited as. [S8]
Thibaut I (IV), Rey de Navarre1 
Thibaut I (IV), Rey de Navarre also went by the nick-name of Thibaud ‘the Posthumous’.1 He succeeded as the Comte Thibaut IV de Champagne in 1201.1 He succeeded as the Rey Thibaut I de Navarre in 1234.1
Children of Thibaut I (IV), Rey de Navarre
- Margaret de Navarre+ d. 1310
- Blanche de Navarre+2 d. 12 Aug 1283
- Sancha de Navarre, Infanta de Navarre+
- Beatrice de Champagne+3
Children of Thibaut I (IV), Rey de Navarre and Marguerite de Bourbon
- Thibaut II (V), Rey de Navarre1 d. 1270
- Enrique I (III), Rey de Navarre+1 d. 1274
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 85. Hereinafter cited as Dynasties of the World.
- [S1916] Tim Boyle, “re: Boyle Family,” e-mail message to BENR, 16 September 2006. Hereinafter cited as “re: Boyle Family.”
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
Marguerite de Bourbon 
Children of Marguerite de Bourbon and Thibaut I (IV), Rey de Navarre
- Thibaut II (V), Rey de Navarre d. 1270
- Enrique I (III), Rey de Navarre+ d. 1274
Simon Evan Alexander Gibbs1
Children of Simon Evan Alexander Gibbs and Hilary Louise Taylor
- Flora Mary Alexandra Gibbs2 b. 9 Jul 1997
- Lachlan Edward Evan Gibbs2 b. 20 Jul 1999
Elena Sally (?)1,2
Her married name became Tyser.1 From 11 June 1976, her married name became Gibbs.1
Child of Elena Sally (?) and Lt.-Col. Sir Peter Evan Wyldbore Gibbs
- Evan Rupert Michael Gibbs1 b. 27 Apr 1977
- [S8] BP1999 volume 1, page 51. See link for full details for this source. Hereinafter cited as. [S8]
- [S4567] Bill Norton, “re: Pitman Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 April 2010 and 19 April 2011. Hereinafter cited as “re: Pitman Family.”
Evan Rupert Michael Gibbs1
- [S8] BP1999 volume 1, page 51. See link for full details for this source. Hereinafter cited as. [S8]
Guy II de Dampierre, Seigneur de Dampierre 
He gained the title of Seigneur de Dampierre.
Children of Guy II de Dampierre, Seigneur de Dampierre and Mathilde I, Dame de Bourbon
- Archambaud VIII de Bourbon, Sire de Bourbon+ d. c 1238
- Guillaume II Seigneur de Dampierre Seigneur de St. Dizier+2 b. 1200, d. 3 Sep 1231
Mary-Anne Amy Phillips1
From 22 May 1968, her married name became Gibbs.1
- [S8] BP1999 volume 1, page 51. See link for full details for this source. Hereinafter cited as. [S8]