Family: Otto I von Northeim, Count in the Rittegau / Richenza of Pfalz-Lorraine, Queen of Poland (F2848)  ^[1] 

• Male Otto I von Northeim, Count in the Rittegau

  
  

  Birth
  Death	11 Jan 1083
  Burial
  Marriage
  Other Spouse	Richenza of Swabia | F4109
  Marriage	Aft 1050
  Father	Benno von Northeim, Count in the Rittegau | F4110 Group Sheet
  Mother	Eilika | F4110 Group Sheet

  
  

  Female Richenza of Pfalz-Lorraine, Queen of Poland

  
  

  Birth	Abt 1000
  Death	21 Mar 1063	Saalfeld, Thuringia, Germany
  Burial		Cologne, North Rhine-Westphalia, Germany
  Other Spouse	Mieszko II, King of Poland | F2840
  Marriage	1013
  Father	Ezzo, Count Palatine of Lorraine | F2849 Group Sheet
  Mother	Matilda of Saxony | F2849 Group Sheet

  
  

• Sources

  [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).