His younger brother Robert Lee Jun-fai is a notable musician and singer, his group The Thunderbirds were famous in Hong Kong. A few singles were sung mostly or all in English. Also released was Lee singing a duet with Irene Ryder. Lee Jun-fai lived with Lee in Los Angeles in the United States and stayed. After Lee's death, Lee Jun-fai released an album and the single by the same name dedicated to Lee called "The Ballad of Bruce Lee". While studying at the University of Washington he met his future wife Linda Emery, a fellow student studying to become a teacher, whom he married in August 1964. Lee had two children with Linda: Brandon (1965–1993) and Shannon Lee (born 1969). Upon's Lee passing in 1973, she continued to promote Bruce Lee's martial art Jeet Kune Do. She wrote the 1975 book ', on which the 1993 feature film ' was based. In 1989, she wrote the book "The Bruce Lee Story." She retired in 2001 from the family estate.