The Ruler's Court in Sharjah has announced the death of Sheikh Sultan bin Abdullah bin Sultan Al Qasimi.
Funeral prayers were held at King Faisal Mosque on Sunday.
The Ruler's Court expressed "heartfelt condolences" in a statement issued to state news agency, Wam.
"The Court of Sheikh Dr Sultan bin Muhammad Al Qasimi, Supreme Council Member and Ruler of Sharjah, today mourned the death of Sheikh Sultan bin Abdullah bin Sultan Al Qasimi, who passed away Sunday morning," the court said.
"The Sharjah Ruler’s Court expressed heartfelt condolences to the family of the deceased, praying to Allah the Almighty to rest his soul in Paradise and to grant patience and solace to his family."
Sheikh Abdullah bin Salem Al Qasimi, Deputy Ruler of Sharjah and Deputy Chairman of Sharjah Executive Council, attended the funeral, along with other officials.