Simplify the following text for a Grade 11 native English-speaking person.
Original: He and wife , Caroll Angell , are the parents of television screenwriter Tom Whedon and the grandparents of Film and TV screenwriter and director Joseph `` Joss '' Whedon and screenwriters Jed Whedon and Zack Whedon .
Simplified: He is the father of screenwriter Tom Whedon and the grandfather of screenwriter and director Joss Whedon and screenwriter Zack Whedon .