Please answer a question about the following article about Muammar Gaddafi:

From childhood, Gaddafi was aware of the involvement of European colonialists in Libya; his nation was occupied by Italy, and during the North African Campaign of World War II it witnessed conflict between Italian and British troops. According to later claims, Gaddafi's paternal grandfather, Abdessalam Bouminyar, was killed by the Italian Army during the Italian invasion of 1911. At World War II's end in 1945, Libya was occupied by British and French forces. Although Britain and France intended on dividing the nation between their empires, the General Assembly of the United Nations (UN) declared that the country be granted political independence. In 1951, the UN created the United Kingdom of Libya, a federal state under the leadership of a pro-western monarch, Idris, who banned political parties and established an absolute monarchy.

Who was Gaddafi's father's father?
Abdessalam Bouminyar