Al-Kamil (Arabic: الكامل‎) (full name: al-Malik al-Kamil Naser ad-Din Abu al-Ma'ali Muhammad) (c. 1177 – 6 March 1238) was a Muslim ruler and the fourth Ayyubid sultan of Egypt. During his tenure as sultan, the Ayyubids defeated the Fifth Crusade. He was known to the Frankish crusaders as Meledin, a name by which he is still referred to in some older western sources. As a result of the Sixth Crusade, he ceded Jerusalem to the Christians and is known to have met with Saint Francis.

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