ʿAbd Allāh ibn ʿAbbās (Arabic: عَبْد ٱللَّٰه ٱبْن عَبَّاس; c. 619 – 687 CE), also known as Ibn ʿAbbās, was one of the cousins of the Islamic prophet Muhammad. He is considered to be the greatest mufassir of the Qur'an.He was the son of Abbas ibn Abd al-Muttalib, an uncle of Muhammad, and a nephew of Maymunah bint al-Harith, who later became Muhammad's wife.