The same first name as the President of the United Arab Emirates, the Emir of Abu Dhabi:

Khalifa bin Zayed bin Sultan Al Nahyan ( خليفة بن زايد بن سلطان آل نهيان‎ )

https://en.wikipedia.org/wiki/Khalif...ayed_Al_Nahyan
https://en.wikipedia.org/wiki/Khalifa_Haftar