 The barons of Thienen-Adlerflycht are the only branch of this family still existing; they belong to the high nobility of Denmark.In his 1670 published work "Insignia et tabula Genealogica dominorum a Thinen", the genealogist Johann Daniel Eberus describes that the family of Thienen was expelled from Holstein in the beginning of the 9th Century by Charlemagne.As a consequence, the family fled to Brabant (today's Belgium) and there founded the city Thienen or Tienen (French