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Jon "the Strong" Ulfsson

Jon "the Strong"'s father was Ulf Stallare Ospaksson and his mother is Jorunn Thorbergsdotter. His maternal grandparents are Thorberg Arnesson and Ragnhild Erlingsdotter. He has a sister named Brigida.

Ancestor Pedigree Chart
- Ulf Stallare Ospaksson
  - d.1066
  
  Jon "the Strong" Ulfsson
  
  Thorberg Arnesson
  
  Jorunn Thorbergsdotter
  
  Erling Skjalgsson
  - d.1028
  
  Ragnhild Erlingsdotter
  
  Olaf Yngling ^*
  - d.0934
  
  Tryggve Olavsson Yngling
  - d.0968 in {place00138}
  
  Astrid Tryggvesdatter Yngling
  
  Eirik Bjordeskalle
  
  Astrid Eiriksdatter
  
  ^*There are earlier generations for the ancestor(s) indicated. See their page(s) for details (click name)