In what year did the grandfather of Abdulaziz Bin Turki Bin Talal Bin Abdulaziz Al Saud who was King of Saudi Arabia die?
Abdullah of Saudi Arabia Abdullah bin Abdulaziz Al Saud (Arabic: عبدالله بن عبدالعزيز آل سعود‎ ‎ , "‘Abd Allāh ibn ‘Abd al-‘Azīz Āl Sa‘ūd ", ] ; 1 August 1924 – 23 January 2015) was King of Saudi Arabia and Custodian of the Two Holy Mosques from 2005 to his death in 2015.
Qaboos bin Said al Said Qaboos bin Said Al Said (Arabic: قابوس بن سعيد آل سعيد‎ ‎ , ] ; born 18 November 1940) is the Sultan of Oman. He rose to power after overthrowing his father, Said bin Taimur, in a palace coup in 1970. He is the 14th-generation descendant of the founder of the Al Bu Sa'idi dynasty. He is the longest serving Arab leader, having held the office since 1970.