Claim: Franz von Weyrother was chosen by Generalmajor Major General Graf Wenzel Colloredo as his adjutant from 1779 until 1783 and the following year he was promoted to Oberlieutenant.
Evidence: In August 1779, he was chosen by Generalmajor Major General Graf Wenzel Colloredo as his adjutant and stayed in post until 1783. On 1 June 1784, he was promoted to Oberlieutenant and after his transfer on 1 August 1787 to Infanterie-regiment Nr.