Berthold IV , Count of Diessen

M, (between 1096 and 1098 - 27 June 1151)
Father-Biological*Berthold III , Count of Andechs d. 1098
Mother-Biological*Gisela von Schweinfurt d. 2 Feb 1100
Family Lines
Boudreau Line
Last Edited=1 May 2022
     Berthold IV , Count of Diessen was born between 1096 and 1098.1 He was the son of Berthold III , Count of Andechs and Gisela von Schweinfurt. He called himself the ruler of the Castle of Andechs on Ammersea, and thus established the family seat at Andechs.1 Berthold IV's full titles were Count of Diessen, Strain and Plassenburg.1

Berthold IV , Count of Diessen married Sophia of Istria, daughter of Poppo II , Margrave of Istria and Richilda.1,2 Berthold IV , Count of Diessen died on 27 June 1151.1

Child of Berthold IV , Count of Diessen and Sophia of Istria

Citations

  1. 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.
  2. Wikipedia: The Free Encyclopedia. Online https://en.wikipedia.org