Hamza al-Ghamdi died on 2001-09-11.
Hamza Alavi died in 2003.
Hamza Bogary died in 1984.
Hamza Makhdum died in 1563.
Hamza Shehata died in 1972.
Ameer Hamza Shinwari died in 1994.
Khalil Jalil Hamza died in 2007.
Hamza El Din died in 2006.
Hamza Hakimzade Niyazi died on 1929-03-18.
Hamza Humo died on January 19, 1970, in Sarajevo, Bosnia and Herzegovina.
Hijackers aboard United 175 (South Tower) were: Marwan Al-Shehhi, Fayez Rashid Ahmed Hassan Al Qadi Banihammad, Ahmed Alghamdi, Hamza Alghamdi, and Mohand Alshehri. Aboard American 11 (North Tower) were: Satam M. A. Al Suqami, Waleed M. Alshehri, Wail M. Alshehri, Mohamed Atta*, and Abdulaziz Alomari. My understanding is that Atta was the leader.
Abeer Qassim Hamza al-Janabi died in 2006.
Death of Hamza Ali Al-Khateeb died in 2011-05.