Simplify the following text for a Grade 5 native English-speaking person.
Original: Six were Hendrick family members and\/or Hendrick Motorsports employees : John Hendrick , the owner 's brother and president of Hendrick Motorsports , Jeff Turner , general manager of Hendrick Motorsports , Ricky Hendrick , a Hendrick Motorsports driver and its owner 's son , Kimberly and Jennifer Hendrick , John Hendrick 's twin daughters , and Randy Dorton , chief engine builder .
Simplified: Hendrick Motorsports is a race team in NASCAR owned by Rick Hendrick .