Shajar al-Durr, also Shajarat al-Durr, whose royal name was al-Malika ʿAṣmat ad-Dīn ʾUmm-Khalīl Shajar ad-Durr, was a ruler of Egypt. She was the wife of As-Salih Ayyub, and later of Izz al-Din Aybak, the first sultan of the Mamluk Bahri dynasty. Prior to becoming Ayyub's wife, she was a child slave and Ayyub's concubine.

Al-Malik as-Salih Najm al-Din Ayyub, nickname: Abu al-Futuh, also known as al-Malik al-Salih, was the Ayyubid ruler of Egypt from 1240 to 1249.