Further information about the foundation of this Cistercian convent is necessary.
The Staatsbibliothek Preußischer Kulturbesitz in Berlin conatins a manuscript of the Dialogues of Gregory the Great in German which belonged to this house, written circa 1478, #Germ. 4o1241. The manuscript was written by Eufraxia.
Handschriftenerbe des Deutschen Mittelalters, vol. 1, p. 324.
Eine Heggbacher Chronik
A manuscript of the Dialogues of Gregory the Great, written by Eufraxia (a women of this community?), is still extant.
Further research is necessary.