Mohammed Bin Khalifa: He is Sheikh Mohammed Bin Khalifa Bin Zayed Al Nahyan, the grandson of Sheikh Zayed Bin Khalifa the first, ruler of Abu Dhabi (1855-1909). He was close to his cousin, Sheikh Zayed Bin Sultan Al Nahyan, founder of the United Arab Emirates, and worked as advisor to him. And he had a great and prominent role and contributions in many matters, and he is the father of Sheikhs Hamdan, Mubarak, Tahnoun, Surour, Saif and Saeed.