Shajar al-Durr
After the death of as-Salih Ayyub during the Frankish invasion of Damietta in 1249 and the murder of his heir and son Turanshah in 1250, Shajar al-Durr, the widow of as-Salih Ayyub, with the help and support of the Mamluks of her late husband, seized the throne and became the Sultana of Egypt. The Ayyubids lost control over Egypt.