The father of the regicide and also nephew of King Al Faisal was the twelfth son to who?
Musa'id bin Abdulaziz Al Saud Musa'id bin Abdulaziz Al Saud (1923 – 19 August 2013) was a member of the House of Saud. He was the twelfth son of King Abdulaziz, the founder of Saudi Arabia. He was the father of Faisal bin Musaid who was the assassin of his brother King Faisal.
Sultan bin Saud Sultan bin Saud bin Abdulaziz Al-Saud is the son of King Saud and the grandson of King Abdulaziz the first monarch of Saudi Arabia. His mother was Munirah Al Haboot Al Mutairi, and he had six children.