 Mariner described his experiences during the years he was the adopted son of ʻUlukālala (1806–1810).He described the civil war and the siege of the Fort of Nukuʻalofa, which fell to ʻUlukālala and his warriors.The third attempt of Christian missionaries were recorded in April 1826, when two Tahitian London Missionaries were detained by Tupou the chief of Nukuʻalofa.