III (Mau leader, assassinated by NZ Soldiers during Black Saturday), younger brother of Tupua Tamasese Lealofi-o-a'ana II 1929 - 1963: Tupua Tamasese Mea'ole (Co-Head of State with Malietoa Tanumafili II after Independence), younger brother of Tupua Tamasese Lealofi-o-a'ana III 1963 - 1983: Tui Atua Tupua Tamasese Lealofi-o-a'ana IV (this is the first time Tamasese is formalised as part of the Tupua title) - Third Prime Minister of Samoa, son of Tupua Tamasese Lealofi-o-a'ana III 1986–present: Tui Atua Tupua Tamasese Efi (Former Prime Minister and Head of State 2007–2017), son of Tupua Tamasese Mea'ole. See also Fa'amatai, chieflty system of Samoa. Malietoa Mata'afa Tuimaleali'ifano Tui Manu'a References Government of Samoa Samoan chiefs