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
George Tupou II of 18, upon the death of his great-grandfather George Tupou I, at which time he was still a bachelor. In 1896, the chiefs of the country urged him to marry and produce an heir. After her death, the chiefs suggested a new wife, ʻOfa-ki-Vavaʻu, the daughter of Māʻatu from Niuatoputapu, who was related to the Tuʻi Haʻatakalaua line. George, however, refused. Instead, on 1 June 1899, he took Lavinia Veiongo (1879–1902) as wife. She was the daughter of Kupuavanua from Vavaʻu and Tōkanga from Niuafoʻou, thus obliging these islands to the throne. Kupuavanua was also, through his mother Lavinia Veiongo