Shajar al-Durr
Shajar al-Durr (Arabic: شجر الدر, lit. 'Tree of Pearls'), also Shajarat al-Durr (شجرة الدر), whose royal name was al-Malika ʿAṣmat ad-Dīn ʾUmm-Khalīl Shajar ad-Durr (الملكة عصمة الدين أم خليل شجر الدر; died 28 April 1257), was a ruler of Egypt of Turkic origin. She was the wife of As-Salih Ayyub, and later of Izz al-Din Aybak, the first sultan of the Mamluk Bahri dynasty.