Leon Ko Sai-tseung (???) is a composer for musical theatre and films. He won a Richard Rodgers Development Award, a Golden Horse Award and numerous musical awards. His mother, Lucilla You Min (??), was a famous actress in post-war Hong Kong Mandarin cinema and won 'Best Actress' at the 1st Annual Golden Horse Awards and two consecutive Asian Film Festivals. His grandfather, Bak Yuk Tong (???), was a famous Cantonese opera artist, known as one of the Four Super Stars (????).