Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 1 month ago

Books of History mention that Hazrat Abul Fazl Al-Abbas (a.s.) had 5 sons. Obaydullah, Al Fazl, Al Hasan, Al Qasim and Muhammad. History also mentioned that he had 2 daughters. Mohammad Ibn Al-Abbas is mentioned as one of the Martyrs in Karbala. 
Obaydullah son of Al-Abbas Ibn Ameerul Mo'mineen (a.s.) is been mentioned as the son who left children. All  the grandchildren of Al-Abbas (a.s.) were from the sons of Obaydullah. The grand and great grand children of Al-Abbas (a.s.) are many and they include many Scholars and very pious believers and very respected personalities in the history of Muslims. One of the well-known personalities from the great grandchildren of Abul Fazl Al-Abbas (AS) is Al-Hamza al-Sharqi who is buried in Al-Midhatiyyah near Al-Hilla in Iraq and the whole area is called after him as Al-Hamza al-Sharqi.
Wassalam.