William I, Seigneur de Dampierre

- 1161

• Name	William I
  	He was the Constable of Champagne. [1]
  Death	After 1161  [1]
  Patriarch & Matriarch	Viter de Moeslain   d. Abt 1080  (Great Grandfather)  Agnes de Braine  (Grandmother)
  Person ID, Branch	I4421	Boudreau Line
  Last Modified	18 Apr 2021

  
  

  Father	Gui I, Seigneur de Dampierre et Vicomte de Troyes,   b. Abt 1100   d. 1151 (Age 51 years)
  Relationship	Birth
  Mother	Helvide de Baudemont,   b. Abt 1105   d. 1165 (Age 60 years)
  Relationship	Birth
  Family ID	F3551	Group Sheet  |  Family Chart

  
  

  Spouse / Partner	Ermengarde de Mouchy  [1]  Other Partners: Dreux de Mello, Constable of France
  Children	+   1. Gui II, Seigneur de Dampierre, de Bourbon, St. Just, and St. Dizier   d. 18 Jan 1216, France ▻ Mathilda, Dame de Bourbon  m. 9 Sep 1196
  Family ID	F3554	Group Sheet  |  Family Chart
  Last Modified	18 Apr 2021

  
  

• Pedigree

  ← Click to display 1William I, Seigneur de Dampierre( – 1161) 2Gui I, Seigneur de Dampierre et Vicomte de Troyes(Abt 1100 – 1151) 4Thibaut de Dampierre-sur-l'Aube, Seigneur de Dampierre et St. Dizier( – 1106/07) 8Viter de Moeslain( – Abt 1080) 16 17 9 18 19 5Elizabeth de Montlhery 10Milon I, Seigneur de Montlhery, Bray, Chevreuse, and la Ferte(Abt 1035 – 1118) 20Guy I de Montlhéry, Seigneur de Montlhéry and Chevreuse(1009 – 1095) 21Saint Hodierne de Gometz, Dame de la Ferte 11Lithuaise, Dame de Bray 22William d'Eu, Count of Eu, Exemes, Sossons, and Troyes ( – 1076) 23Aelis, Countess of Soissons and Troyes( – 1066) 3Helvide de Baudemont(Abt 1105 – 1165) 6Andre de Baudemont, Seigneur de Baudemont et de Braine(1060 – ) 12 24 25 13 26 27 7Agnes de Braine 14 28 29 15 30 31

  
  

• Sources 🟢 Primary Evidence 🟡 Secondary Evidence 🟠 Tertiary Evidence 🔴 Unreliable Evidence

  [S60] Stuart, Roderick W., Royalty for Commoners, The Complete Known Lineage of John of Gaunt, Son of Edward III, King of England, and Queen Philippa Fourth Edition, (Baltimore, Maryland: Genealogical Publishing Company, 2002).