Rubuta ci gaba ga wannan sakin layi - Gregory IX ya shirya babban majalisa don Easter 1241 a Roma. Otto, tare da wasu limamai da yawa, har da James na Pecorara, suka shiga jirgi a Genoa zuwa Roma. Jirgin ruwan Genoese ya tsayar da jirgin ruwan Pisa mai goyon bayan mulkin mallaka kuma ya ci nasara a yakin Giglio
a ranar 3 ga Mayu 1241. An kama Otto da James kuma aka kawo su Salerno a cikin Masarautar Sicily. Otto ya sami kulawa mafi kyau fiye da James, watakila saboda an gan shi a matsayin mai daraja a cikin shawarwari.