Frederick II's efforts to bring all of Italy under his control failed as signally as those of his grandfather, and his death in 1250 marked the effective end of the Kingdom of Italy as a genuine political unit.
كانت جهود فريدريك الثاني في إخضاع كامل إيطاليا كجهود جده، ووضعت وفاته عام 1250 نهاية للمملكة الإيطالية بوصفها وحدة سياسية حقيقية.