Conrad I

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• Name	Conrad I   [1, 2]
  Gender	Male
  Death	16 Feb 863  [3]
  Alternate death	876  [4]
  Person ID	I10959	Ancestry of PNH, TNH, and others
  Last Modified	6 Jan 2018

  
  

  Father	Welf of Altdorf   d. Bef 825
  Mother	Heilwig, Abbess of Chelles   d. Aft 833
  Family ID	F3691	Group Sheet  |  Family Chart

  
  

  Family	Adélaïde of Alsace & Tours   d. Bef 862
  Children	+ 1. Conrad II   d. Bef 876
  Family ID	F2248	Group Sheet  |  Family Chart
  Last Modified	14 Apr 2026

  
  

• Notes

  Count in Argengau, Auxerre, and Linzgau. Lay-abbot of Saint-Germaine in Auxerre.

  
  

• Sources

  [S91] The Henry Project: The Ancestors of King Henry II of England, by Stewart Baldwin, Todd A. Farmerie, and Peter Stewart. [S1347] Frederick Barbarossa: The Prince and the Myth by John Freed. New Haven: Yale University Press, 2016. [S49] Genealogics by Leo Van de Pas, continued by Ian Fettes and Leslie Mahler. [S160] Wikipedia.