Answer
Four of John Carradine's grandchildren have followed in their grandfather's footsteps and pursued acting careers. These include Martha Plimpton, David Carradine's daughter; Ever Carradine, Robert Carradine's daughter; and Michael Bowen and Cheyenne Carradine, Keith Carradine's children. All four have established successful careers in film and television, showcasing the enduring legacy of the Carradine acting dynasty.