Patty Duke also has two sons from a previous marriage, actors Sean and Mackenzie Astin.
It looked as if the deal was platonic.
The acting bug also bit Sean's daughter, Alexandria Astin pictured left , who's a working actress in Hollywood and even appeared in The Lord of the Rings with her dad.
Duke was raised in the neighborhood of , where her brother Raymond, her sister Carol, and she experienced a difficult childhood.
It was her co-star from The Miracle Worker, Anne Bancroft, who helped her through this difficult time.