De Fundatoribus Monasterii Diessenses contains a rather confused genealogy concerning her two most prominent daughters. Otto II, Count of Wolfratshausen, father of Adelheid, is given as father to Richenza of Northeim, "Empress" and "Maria, Empress of the Greeks". Richenza was actually the wife of Lothair II.
De Fundatoribus Monasterii Diessenses contains a genealogy that is somewhat unclear about her two most notable daughters. Otto II, Count of Wolfratshausen, father of Adelheid, is listed as Richenza's father in the text, which incorrectly refers to her as "Empress" and "Maria, Empress of the Greeks". In reality, Richenza was married to Lothair II.