Rubuta ci gaba don wannan sakin layi - Bayan kisan Wallenstein a shekara ta 1634, Horn ya ɗauki wasu yankuna a Swabia: a cikin bazara na wannan shekarar, sojojinsa ba su yi nasara ba wajen kewaye da birnin Überlingen na daular, wanda zai zama kyauta mai mahimmanci. A farkon Satumba 1634, sojojinsa, da na Bernard na Saxony, an murƙushe su a yakin Nördlingen
ta hanyar hadin gwiwar Habsburg da sojojin Spain. An kama Horn fursuna kuma sojojin Roman Katolika suka tsare shi a Burghausen Castle har zuwa 1642. An musanya shi da janar-janar uku na daular.