Note 4 — Chapter III · Rise and Prosperity of Sulu
Reading edition
Besides the Samals, some Bugis4 and Ilanun emigrants gained a foothold on the northern and northeastern coast of Sulu. The Bugis appear to have lost their identity, but the Ilanun are still recognizable in many localities, and some of the principal datus of Sulu still trace their origin to Mindanao.