Mohamed Atta
Mohamed Mohamed el-Amir Awad el-Sayed Atta ( ; ""  ; September 1, 1968 – September 11, 2001) was an Egyptian hijacker and one of the ringleaders of the September 11 attacks in which four United States commercial aircraft were commandeered with the intention of destroying specific civilian targets. He served as the hijacker-pilot of American Airlines Flight 11 and crashed the plane into the North Tower of the World Trade Center as part of the coordinated attacks. At 33 years of age, he was the oldest of the 19 hijackers who took part in the attacks.
Sadiq al-Mahdi
Sadiq al-Mahdi was born on December 25, 1935 in Al-Abasya, Omdurman, Sudan. 
He is the paternal grandson of Sayyid Abd al-Rahman al-Mahdi, founder of the Umma party, and great-grandson of Muhammad Ahmad, the Sudanese sufi sheikh of the Ansar and self-proclaimed Mahdi who led the Mahdist War to reclaim Sudan from Anglo-Egyptian rule. He is also the paternal uncle of Sudanese-British actor Alexander Siddig.