Pedzisa mutsara unotevera: Apo hurumende yeCurbiere yevarwi (nhamba 58) yakagadzwa muna 1797, Horn akapiwa murairo weimwe yemapoka ayo eGrenadier. Pakutanga kwechirwere ichi
Mumushandirapamwe wa1806, akava Major, uye chikwata chake chakanga chiri chikamu chevarwi veDanzig. Horn akazviratidza nokudzivirira kwake kwakashinga kweHagelsberg panguva yekukombwa kweDanzig.