Original: He and first wife , political activist Lee Stearns , are the parents of Film and TV Screenwriter , Joss Whedon ( '' Buffy the Vampire Slayer '' , '' Angel '' , '' Firefly '' , and '' Dollhouse '' ) .
Simplified: Whedon is also the father of writer/producer/director Joss Whedon , the creator of Buffy the Vampire Slayer , Angel , and Firefly .