(People) Rosie O’Donnell’s ex-wife Michelle Rounds died Monday of apparent suicide at her home. She was 46.
“I am saddened to hear about this terrible tragedy. Mental illness is a very serious issue affecting many families. My thoughts and prayers go out to Michelle’s family, her wife and their child,” 55-year-old O’Donnell, who shared 4-year-old daughter Dakota with Rounds, tells PEOPLE in a statement.