Contact details for HH Sheikh Khalifa bin Zayed Al Nahyan?

As of my last update in September 2021, His Highness Sheikh Khalifa bin Zayed Al Nahyan, the former President of the United Arab Emirates and Ruler of Abu Dhabi, passed away on May 13, 2022.

Due to this unfortunate event, I do not have any valid or current contact details for him. Therefore, I cannot provide the requested information.