Hamad bin Abdullah Al Thani

Sheikh Hamad bin Abdullah bin Jassim bin Muhammed Al Thani was an Heir Apparent of the State of Qatar. Sheikh Hamad was the second son of the second Emir of Qatar, Sheikh Abdullah bin Jassim Al Thani, and also the father of the fifth Emir of Qatar, Sheikh Khalifa bin Hamad Al Thani.

He was born in Doha and educated privately at the palace. In 1935, he was appointed as Heir Apparent by his father and served as Deputy Ruler on several times. Early on in his childhood, his father exposed him in to the life of a politician. He died early he was expected to become the next emir, but he died when his father was alive. Later upon his death, his father passed the powers to his older son, Ali bin Abdullah Al Thani.

Source: Wikipedia