He and first wife , political activist PERSON@1 , are the parents of Film and TV Screenwriter , PERSON@2 -LRB- `` Buffy the Vampire Slayer '' , `` Angel '' , `` Firefly '' , and `` Dollhouse '' -RRB- .

PERSON@3 is also the father of writer/producer/director PERSON@2 , the creator of Buffy the Vampire Slayer , PERSON@4 , and Firefly .
