Sen. Mark Warner (D-VA) announced the death of his adult daughter, Madison, on Monday. She was 36.

“We are heartbroken beyond words by the passing of our beloved daughter, Madison, 36, after a decades-long battle with juvenile diabetes and other health issues,” Warner said in a joint statement with his wife, Lisa Collis. “She filled our lives with love and laughter, and her absence leaves an immeasurable void.