[1]: 280 Like his brothers Wilhelm attended the Gymnasium at the Schottenstift in Vienna and joined the Austro-Hungarian Army.
[1]: 280 Because of his bad health he later served as teacher for Geometry, Mathematics, Geography, service regulations and two more subjects in the rank of an Oberleutnant at the cadet school (Militär-Erziehungs- und Bildungsanstalt) in Straß[1]: 280 [3] There he used Scouting for Boys as a source for ideas for the free time activities for the boys.
[15]: 12 Before the Anschluss Wilhelm and his brother Emmerich asked all Scoutleaders and Old Scouts to vote for Austria at the planned referendum.
[2] After World War II Wilhelm worked as head of the department for industries of the Regional government of Salzburg.
[1]: 280 In 1957 Oberst a.D. Wilhelm Teuber-Weckersdorf was among the founder members of the Salzburg branch of the Austrian Officers' Association.