Royal Family of Nauru
Until the early 20th century, Nauru, in the Pacific, had its own indigenous monarchy. In the late 19th century, Nauru came under the Imperial Crown of Germany, but significantly kept its own monarchy.
There is even a late 19th century photo extant of the King of Nauru standing next to the German flag.
After World War One, when Germany lost its colonies, Nauru became part of the British Empire.
Australia fulfilled an administrative rôle prior to Nauru's independence in 1968 as the Republic of Nauru.
In many developing countries, it has become fashionable to avoid reference to tribal identities; in Nauru, however, these are asserted in the national flag, which contains a star with many points, each point referring to Nauru's traditional tribes.
As a parliamentary republic, Nauru has undergone frequent changes of President - sometime several times every year. One wonders if a local figure who did not rely on a shifting Parliamentary majority would command support and bring greater stability to the system. There has been talk of constitutional changes, but these are a matter for Nauruans.