Family: Gui I, Seigneur de Dampierre et Vicomte de Troyes / Helvide de Baudemont (F3551)  ^[1] 

• Male Gui I, Seigneur de Dampierre et Vicomte de Troyes

  
  

  Birth	Abt 1100
  Death	1151
  Burial
  Marriage	Between 1120 and 1125  [1]
  Other Spouse	first wife | F9058
  Marriage
  Father	Thibaut de Dampierre-sur-l'Aube, Seigneur de Dampierre et St. Dizier | F3552 Group Sheet
  Mother	Elizabeth de Montlhery | F3552 Group Sheet

  
  

  Female Helvide de Baudemont

  
  

  Birth	Abt 1105
  Death	1165
  Burial
  Other Spouse	first husband | F9059
  Marriage
  Father	Andre de Baudemont, Seigneur de Baudemont et de Braine | F2643 Group Sheet
  Mother	Agnes de Braine | F2643 Group Sheet

  
  

  Male + William I, Seigneur de Dampierre

  
  

  Birth
  Death	After 1161
  Burial
  Spouse	Ermengarde de Mouchy | F3554
  Marriage

  
  

• Sources

  [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).