Abdul was the twin brother of Abdullah who was killed fighting the regime of Syrian dictator Bashar Al-Assad in Syria in 2016, he was 18. Their brother Jaffar, 17, was killed in 2014 in the country while trying to fight the government there. They are survived by fourth brother, Amer, a former finance student, who also travelled to Syria and remains there.
But I think I know the answer. Do you, Reader?