(I know this is besides the point, but quickly, a history of teams on the current grid)....
Toleman->Benetton->Renault->Lotus
(Tyrrell->)BAR->Honda->Brawn->Mercedes (I normally discount the Tyrrell link, as BAR merely bought their entry, and whilst they ran the team for one season (1998), the BAR entity was a completely new factory, workforce etc etc.
Williams
Ferrari
McLaren->McLaren+Project 4=McLaren international... (How's that
ExtremeNinja)
Minardi->Torro Rosso
Stewart->Jaguar->Red Bull
Sauber->BMW Sauber->Sauber
Lotus->Caterham
Jordan->Midland F1->Spyker->Force India
Manor Motorsport->Virgin Racing->Marussia Virgin Racing->Marussia Racing
Campos->Hispania Racing Team ->HRT