Mohammed Al Nahyan, the representative of the Ruler of Abu Dhabi in the Al Ain region.
Sheikh Tahnoon bin Mohammed Al Nahyan, who passed away, was the maternal uncle of His Highness Sheikh Mohammed bin Zayed Al Nahyan, President of the United Arab Emirates.
"May the Almighty bestow His great mercy on the deceased and place him in paradise, and grant the Al Nahyan family patience and comfort," the obituary of the Presidential Court said.

Source: https://russianemirates.com/news/uae-news/v-oae-ob-yavili-semidnevnyy-traur/