updated 01/27/2011 AT 10:30 AM ET
•originally published 01/27/2011 AT 8:55 AM ET
“I’m very sorry that he left, and I’m very upset,” Williams, 90, tells PEOPLE. “Certainly I want him to go back. He needs help.”
Julia says she heard from family that Ted went to California, perhaps to Hollywood, to record children’s books. She says she’s optimistic he’ll keep busy and not return to a life on the streets, but doesn’t think he can stay sober without professional help.
“I know he doesn’t stick at things for long. Whatever it is, he soon tires of it,” she says. “He thinks he can make it on his own, without rehab. And I’m sure he can’t.”