Which cousin of Holy Prophet (PBUH) was Mufassar-e-Quran?

Which cousin of Holy Prophet (PBUH) was Mufassar-e-Quran?

حضور صلی اللہ علیہ وسلم کے کون سے چچا زاد بھائی مفسر قرآن تھے؟
Explanation

Abdullah Ibn Abbas was the son of Abbas ibn Abd al-Muttalib, an uncle of the Islamic prophet Muhammad (PBHU), and a nephew of the Maymunah bint al-Harith, who later became Muhammad's wife. He was one of Muhammad's cousins and one of the early Quran scholars.