 Nyorai kuenderera mberi kweiyi ndima - Muna 1386 Peter weThornberg akatsigira maHabsburgs kurwisa guta reBern muHondo yeSempach. Munguva yehondo, mauto eBernese akarwisa Koppigen Castle ndokuipisa pasi. Muna 1397, Peter weThornberg, wokupedzisira womutsara wacho, akafa. Akasiya zvinhu zvake zvose muKoppigen kuCarthusian Charterhouse yeThornberg yakanga ichangobva kuvambwa, iyo akanga avamba nguva pfupi yakanga yapfuura. VaCarthusian vakaita Koppigen nzvimbo yeparishi yaisanganisira Hellsau, Alchenstorf, Höchstetten uye Willadingen. Pashure peNguva Yokushandura yechiPurotesitendi, muna 1528, Bern akaita kuti Charterhouse nezvinhu zvayo zvose zvisave zvechitendero. Bern yakaisa vogt nedare repamusoro muKoppigen uye yakava chikamu cheruwa rweBurgdorf. 