Explanation

The Abbasid dynasty or Abbasids were an Arab dynasty that ruled the Abbasid Caliphate between 750 and 1258.

They were from the Qurayshi Hashimid clan of Banu Abbas, descended from Abbas ibn Abd al-Muttalib.

 Abbasid dynasty by the Mongols under Hulagu Khan

Al-Mustaʿṣim, (born 1212—died 1258), the last ʿAbbāsid caliph in Baghdad

The first Abbasid caliph, Abu al-ʿAbbas al-Saffah,