an Entity references as follows:
The Oon brothers, Oon Chong Teik (温忠德), Oon Chong Jin (温忠哲) and Oon Chong Hau (温忠豪), were badminton playing siblings from Malaysia, each of whom won a variety of international titles while studying toward a medical degree in England. The eldest of the three, Chong Teik, was twice a singles semifinalist (1961, 1962) at the All-England Championships which was then the world's most prestigious tournament for individual players. Chong Jin, the "middle brother," was an All-England singles semifinalist in 1960, and a men's doubles finalist with Danish great Erland Kops in 1965. Chong Hau, the youngest brother by several years, captured the English Junior singles title a record four times. He reached the All-England singles semifinal in 1969, losing to the legendary Rudy Hartono. From the late 19