1068 to Arnold III. von Dießen (c1050-c1096) and Adelheid von Sulzbach (?-c1090) and died 1096 of unspecified causes. He married Kunizza von Bayern (c1073-1120) . Notable ancestors include Charlemagne (747-814). Ancestors are from France, Germany, Belgium.Friedrich III. Rocho von Dießen was born circa
Friedrich Rocho may also have been a son of his grandfather. He may have had a daughter.