Patty Duke died this morning, ABC News has confirmed.
According to her rep, Mitchell Stubbs, the cause of death was sepsis from a ruptured intestine.
The actress, whose real name was Anna Pearce, was 69. She won an Oscar as a teen for “The Miracle Worker” and maintained a long and successful career throughout her life.
“She was a wife, a mother, a grandmother, a friend, a mental health advocate and a cultural icon,” Stubbs added in a statement. “She will be greatly missed.”