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Family: William IV, Comte d'Auxerre, Mâcon, and Vienne / Poncette, Dame de Treves (F3801)

• Male William IV, Comte d'Auxerre, Mâcon, and Vienne

  
  

  Birth	1090 - 1095
  Death	27 Sep 1155
  Burial
  Marriage	Before 1140  [1]
  Father	Stephen, Count of Vienne, Mâcon, and Burgundy | F2567 Group Sheet
  Mother	Beatrice | F2567 Group Sheet

  
  

  Female Poncette, Dame de Treves

  
  

  Birth	Abt 1090
  Death
  Burial
  Father	Thibaud, Seigneur de Treves | F3803 Group Sheet
  Mother	Alice | F3803 Group Sheet

  
  

  Male + Gerard, Count of Mâcon and Vienne

  
  

  Birth	Abt 1142
  Death	Before 15 Sep 1184
  Burial
  Spouse	Maurette | F2858
  Marriage	Abt 1160

  
  

• 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).