Title: Omar Abdel-Rahman
Content:  Omar Abdel-Rahman had two wives, who bore him 10 children: Aisha Hassan Gouda (7 sons), and Aisha Zohdi (3 children). His sons include Ahmed, Mohammed and Asim. Ahmed was killed in a drone strike in Afghanistan in 2011. Mohammed was captured in Pakistan in 2003. He was later extradited to Egypt and was released in 2010. Asim was a close associate of Osama bin Laden following the September 11th attacks.
Title: Mohammed Omar Abdel-Rahman
Content:  Mohammed Omar Abdel-Rahman (محمد عمر عبدالرحمن) is an Egyptian who was in United States custody in one of the CIA's "black sites". Also known as "Asadullah" (i.e. The lion of God.) Human Rights Watch reports he is the son of Sheikh Omar Abdel-Rahman, the "blind sheikh" who was convicted of involvement in the first al Qaeda bombing of the World Trade Center, in 1993. Mohammed is alleged to have run a training camp, and to have had a role in operational planning. An e-mail from Mohammed led to the capture of Khalid Sheikh Mohammed. Human Rights Watch reported that Mohammed was captured in February 2003, in 
Title: Mohammed Abdulrahman (footballer, born February 1989)
Content:  Mohammed Abdulrahman is the brother of footballers Khaled Abdulrahman and Omar Abdulrahman.
Title: Omar Abdulrahman
Content:  Omar Abdulrahman was born in Riyadh, growing up there in a working-class environment, to a family of Hadhrami descent from the Hadhramaut Governorate. His father Abdulrahman Ahmed was a former player, he the youngest of two sisters and three older brothers, Ahmad, Khaled and Mohammed. He spent sometimes playing soccer in Riyadh neighborhoods. He drew attention from scout Abdulrahman Eissa who saw him by chance at Al Malaz yard near Prince Faisal bin Fahd Stadium and asked about the club that he played for. The answer was that he was not playing for any club and also did not hold Saudi nationality. After Abdulrahman Eissa began to contact him and his brother, he then began participating in tournaments and courses alongside Yahya Al-Shehri. In 
Title: Abd al-Rahman al-Mahdi
Content:  Muhammad Ahmad died of typhus a few months after his victory, leaving power to his three deputies, or Kalifas. Abd al-Rahman was born on 15 July 1885 in Omdurman, three weeks after his father's death. His mother was granddaughter of a former Sultan of Darfur, Mohammed al-Fadl. As a child, Abd al-Rahman's only formal education was that of a religious school where the pupils memorized the Quran. By the age of eleven he had recited the Quran. After a prolonged struggle, by 1891 the Kalifa Abdallahi ibn Muhammad emerged as sole leader due to his support from the warlike nomadic Baggara Arabs 
Title: Omar Abdel-Rahman
Content:  During the 1970s, Abdel-Rahman developed close ties with two of Egypt's most militant organizations, Egyptian Islamic Jihad and Al-Jama'a al-Islamiyya ("The Islamic Group"). By the 1980s, he had emerged as the leader of Al-jama'a al-Islamiyya, although he was still revered by followers of Egyptian Islamic Jihad, which at the time was being led by Ayman al-Zawahiri, later to become an al-Qaeda principal. Abdel-Rahman spent three years in Egyptian jails while awaiting trial on charges of issuing a fatwa resulting in the 1981 assassination of Anwar Sadat by Egyptian Islamic Jihad.
Title: Mohammad Omar (footballer)
Content:  Mohammed Omar Mohammed Ahmed Al-Shaddadi, known as Mohammad Omar (محمد عمر, born November 11, 1976 in Dubai, UAE) is a retired Emirati footballer, serving as the CEO for Mumbai Tigers F.C. in India. He was the captain of the UAE national football team from 2002-2008. During his professional football career which spanned over 20 years he has played for many clubs including Al Wasl, Al Ain, Al Jazira, Al Dhafra, Al-Nasr, and Ajman Club. In Summer 2010, Omar announced that he would move back to the club that he started with, Al Wasl FC to play a final season and retire. In 2002, he joined Omani club, Dhofar and competed with them in the final of the Sultan Qaboos Cup, and scored the only goal for the team in a game which they eventually lost to neighbor's, Al-Nasr. Mohammed Omar is the younger brother of the UAE's football legend Zuhair Bakhit.
Title: Omar Abdel-Rahman
Content:  Abdel-Rahman was born in the city of al-Gamalia, Dakahlia Governorate, Egypt, on 3 May 1938. He lost his eyesight when he was 10 months old. He studied a Braille version of the Qur'an as a child, had it memorized by age 11 and was sent to an Islamic boarding school. He developed an interest in the works of Ibn Taymiyah and Sayyid Qutb. He studied at Cairo University's School of Theology and later earned a Doctorate in Tafsir (quranic interpretation) from Al-Azhar University in Cairo. His thesis was entitled Al-Qu'ran Min Khushumihi Kama Tashawwarahu Surah At-Tawba (The Qur'an's Attitude toward Its Opponents in the Perspective of Surah At-Tawba), which "received international acclaims with the highest grade." Part of the 2,000-page dissertation has been published in book form in 2006 in Egypt as Mawqif al-Qur'an min khusumih. Soon after leaving university, Abdel-Rahman began preaching against the secular regime of Egyptian president Gamal Abdel Nasser. Abdel-Rahman became one of the most prominent and outspoken Muslim clerics to denounce Egypt's secularism.
Title: Khaled Abdulrahman
Content:  Khaled Abdulrahman Ahmed Al Raqi Al Amoudi (خالد عبدالرحمن أحمد الراقي العمودي; born 10 September 1988) is an Emirati former professional footballer. He is the brother of footballers Mohamed Abdulrahman and Omar Abdulrahman.
Title: Mohamed Omar (footballer)
Content:  Mohammed Omar Hashim Ali Said (born 27 January 1983 in Doha ) is Qatari footballer. His brother, Fadhl Omar, is also a footballer for Qatar SC. He is of Yemeni origin.

Question: Who is the father of Mohammed Omar Abdel-Rahman?
Answer: Omar Abdel-Rahman.