Guillaume I De Ponthieu

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Guillaume I De Ponthieu

Guillaume I's father was Roger De Ponthieu. His paternal grandfather was Herlouin II De Ponthieu. He was an only child. He died in 0965.¹

Ancestor Pedigree Chart
- Helgaud I De Ponthieu ^*
  - d.0864
  
  Herlouin I De Ponthieu
  - d.~ 0878
  
  Helgaud De Ponthieu
  - d.0926
  
  Herlouin II De Ponthieu
  - d.0945
  
  Roger De Ponthieu
  - d.0957
  
  Guillaume I De Ponthieu
  - d.0965
  
  ^*There are earlier generations for the ancestor(s) indicated. See their page(s) for details (click name)

Details of Guillaume I's family

¹ new.ged