His Royal Majesty, Oba Oladunni Oyewumi, Ajagungbade III, the Soun of Ogbomoso, has joined his ancestors.
Family sources say the 95-year-old monarch died on Sunday morning, December 12.
The palace is expected to announce his demise soon.
Born on May 27, 1926, in Ogbomoso, Oba Oyewumi ascended the throne on October 24, 1973.
May his soul rest in peace, Amen.