Taufa'ahau Tupou IV is the direct descendant of King George Tupou I. He was born on 4 July 1918, and was christened Crown Prince Siaosi Taufa'ahau Tupoulahi. Tupou received his early education in Tonga where he was both an outstanding student and sportsman. He then attended secondary school at Newington College in Australia and received his bachelor of arts and bachelor of laws degrees from the University of Sydney. He was the first Tongan citizen to receive a university degree. In 1947, he married Halaevalu Mata'aho, the daughter of the noble Ahome'e. They have three sons and a daughter.