He abdicated secular power to his son Hamid and retired to Al - Rustaq where he died in 1803 .
Last direct male descendant of Al Bu Said to hold the office of Imam .
Al Bu Said abdicated secular power to Al Bu Said 's son Hamid and retired to Al - Rustaq where he died in 1803 .
Last direct male descendant of Al Bu Said to hold the office of Imam .