Hussein, Crown Prince of Jordan being King Hussein's eldest son; the King had appointed his younger brother Prince Hassan as heir designate in 1965. Shortly before his death on 7 February 1999, the King replaced Hassan with Abdullah. When Abdullah became king, he named his younger half-brother, Prince Hamzah, as heir designate on his accession. On 28 November 2004, King Abdullah removed Hamzah from his title as crown prince. Though the title of crown prince was left vacant, the Constitution of Jordan provides for agnatic primogeniture, meaning the monarch's eldest son is automatically first in the line of succession to the Jordanian throne unless decreed
Prince Muhammad bin Talal the Jordan Arab Army and served in the first Royal Guard Regiment before becoming Aide de Camp to King Hussein. Prince Muhammad was made Crown Prince of Jordan in 1952 when his elder brother Crown Prince Hussein became king. He held the post until 1962. In 1971 he was appointed head of the council of tribal chiefs by King Hussein. In 1973, a royal decree invested him as the personal representative of King Hussein. He then headed the supreme committee for tourism in Jordan. He also served as regent and as head of the regency council on numerous occasions in