In the following years there was a power struggle with his brother al-Mu'azzam, and Kamil was willing to accept a peace with Frederick II, Holy Roman Emperor, who was planning the Sixth Crusade.
There was a power struggle with his brother al-Mu'azzam. This was in the following years. Kamil was willing to accept a peace with Frederick II. Frederick II was Holy Roman Emperor. Frederick II was planning the Sixth Crusade. Frederick II was Holy Roman Emperor.