Chonradus…Romanorum imperator augustus" confirmed property "in Alsatia et in comitatibus Gisilberti et Wezilonis comitum" to Kloster Peterlingen by charter dated 1027[165]. from: http://fmg.ac/Projects/MedLands/LOTHARINGIAN%20(LOWER)%20NOBILITY.htm#_Toc127613407