Tāufaʻāhau Tupou IV that office has gone over into the Kalaniuvalu line), but his grandmother Lavinia Veiongo (wife of George Tupou II) was the great-granddaughter of Laufilitonga, the last Tuʻi Tonga, and his wife Halaevalu Mataʻaho (not to be confused with the King's wife of the same name and same family), who was the daughter of Tupou ʻAhomeʻe, who was the daughter of Lātūfuipeka, the Tamahā (sister of the Tuʻi Tonga). By consequence, the King's daughter, Pilolevu, was the first woman in Tongan culture to really have the blood of the three major Royal dynasties in her veins and become the highest-ranking person
Tupou VI included peacekeeping operations in Bougainville. He graduated with a masters in Defence Studies from the University of New South Wales in 1997 and with an MA in International Relations from Bond University in 1999. In 1998 he ended his military career to become part of the government, first as the defence minister and the foreign minister at the same time, from October 1998 until August 2004. He took over these posts from his elder brother Tupoutoʻa, at that time still the crown prince, later to become King Siaosi Tupou V (see below). Soon he was appointed as Prime Minister on