Some information in this article or section has not been verified and may not be reliable.
Please check for any inaccuracies, and modify and cite sources as needed.

Arnold III. von Dießen, Count of Dießen, Count of Reichenhall, Count of Augstgau, Count of Wasserburg, Count of Ebersberg, Count of Rottgau, was born circa 1050 to Meginhard III von Reichersbeuern (-1066) and died circa 1096 of unspecified causes. He married Gisela von Schweinfurt (?-?) . He married Adelheid von Sulzbach (?-c1090) . Charlemagne (747-814).

Arnold may also have been a son of Berthold II. von Dießen (?-aft1060) and Tochter von Hohenwart (bef1006-c1059), or of Friedrich I. von Regensburg (1030-1075) and Irmgard an der Mangfall (?-?). Three of his sons (Otto, Gebhard, Dietrich) may be the offspring of the unknown first husband of Gisela.


Offspring of Arnold III. von Dießen and Gisela von Schweinfurt (?-?)
Name Birth Death Joined with
Berthold I. von Andechs (c1064-1151) 1064 27 June 1151 Sophie von Istrien (?-1132) Sophie von Istrien (?-1132) Kunigunde von Formbach (?-?)
Tuta von Dießen (c1065-c1112) 1065 1112
Otto V. von Wassserburg (c1066-1112) 1066 3 November 1112 Iringisheim

Offspring of Arnold III. von Dießen and Adelheid von Sulzbach (?-c1090)
Name Birth Death Joined with
Gebhard II. von Dießen (c1067-aft1099) 1067 1099 Richardis von Spanheim (c1064-c1112)
Friedrich III. Rocho von Dießen (c1068-1096) 1068 1096 Kunizza von Bayern (c1073-1120)
Adelheid von Dießen (c1069-c1116) 1069 1116 Siegfried II. von Spanheim-Lebenau (c1067-1132)
Dietrich I. von Wasserburg (c1070-c1095) 1070 1095



Footnotes (including sources)

‡ General
Ω Birth
  • year of birth from average life span