Muhammad bin Hassan bin Siba bin Abi Bakr Al -Gleamami, Abu Abdullah, Shams al -Din, known as Ibn Al -Sayegh, died 720. Muhammad bin Hassan bin Siba bin Abi Bakr Al -Glemami, Abu Abdullah, Shams al -Din, known as Ibn Al -Sayegh, died 720. Muhammad bin Hassan bin Saba ibn Abi Bakr al -Gomami, Abu Abdullah, Shams al -Din, known as Ibn Al -Sayegh, died 720