A teen girl and her parents were found dead Friday morning in an apparent double murder-suicide in their home in the leafy Westchester town of Pound Ridge, according to police and sources.

The bodies of Steven Dym, 56, his wife Loretta, 50, and their daughter Caroline, 18, were found by their cleaning lady on the second floor of their grand Fox Hill Road house around 11 a.m., police sources said.

One of the parents killed the other two and committed suicide, sources said.

The family have a 20-year-old son who was away at college at the time, sources said.