Simplify the following text for a Grade 12 native English-speaking person.
Original: Haynes ' brother , Dontia Haynes , a former San Diego State University tennis player ranked among the top 100 ranked collegiate tennis players in the United States , died 23 September 2005 .
Simplified: Haynes ' brother , Dontia Haynes , who used to be a San Diego State University tennis player ranked among the top 100 ranked collegiate tennis players in the United States , died 23 September , 2005 .