Oscar-winning actress Patty Duke has died at age 69

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 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."

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