Family: Sir Pierre de Vreux, Duke of Brittany / Alix de Thouars, Duchess of Brittany, Countess of Richmond (F2546)  ^[1] 

• Male Sir Pierre de Vreux, Duke of Brittany

  
  

  Birth	Abt 1187
  Death	1240
  Burial
  Marriage	1213  [1, 2, 3]
  Father	Robert II, Count of Dreux and Braine | F2644 Group Sheet
  Mother	Yolande de Coucy | F2644 Group Sheet

  
  

  Female Alix de Thouars, Duchess of Brittany, Countess of Richmond

  
  

  Birth	1201
  Death	1221
  Burial	24 Nov 1225	Abbey of Villeneuve, Les Sorinières, Pays de la Loire, France
  Father	Gui de Thouars, Duke of Brittany | F2645 Group Sheet
  Mother	Constance, Duchess of Brittany | F2645 Group Sheet

  
  

  Male John of Brittany, Duke of Brittany

  
  

  Birth
  Death	1286
  Burial

  
  

  Female + Yolande de Dreux

  
  

  Birth
  Death	1255
  Burial
  Spouse	Hugh IV, Duke of Burgundy | F2544
  Marriage
  Spouse	Hugh XI de Lusignan, Count of Ponthieu, la Marche and Angoulême | F2545
  Marriage

  
  

• Sources

  [S59] Weis, Frederick Lewis. Ancestral Roots of Sixty Colonists Who Came to New England Between 1623 and 1650 Fifth Editionif, (Baltimore, Maryland: Genealogical Publishing Co., 1982). [S278] Directory of Royal Genealogical Data, (web: http://www3.dcs.hull.ac.uk/public/genealogy/royal/catalog.html). [S307] Richardson, Douglas. Plantagenet Ancestry: A Study in Colonial and Medieval Families, (Baltimore: Genealogical Publishing Company, 2004).