Osama bin Mohammed bin Awad bin Laden (Arabic: أسامة بن محمد بن عوض بن لادن‎, ʾUsāmah bin Muḥammad bin ʿAwaḍ bin Lādin; March 10, 1957 – May 2, 2011) was the founder of the al-Qaeda organization, which is largely believed to be responsible for the September 11 attacks on the United States and numerous other mass-casualty attacks against civilian and military targets. He was also a member of the wealthy Saudi bin Laden family.