Singer Natalie Cole with Son

Source: Erik Freeland / Getty

Robert Yancy, the son of the late Natalie Cole, was found dead in his apartment on Monday.

He was 39-years-old. (read more here)

via TMZ:

Family members tell us … authorities contacted them at 2:30 AM Tuesday and said Robert died of a heart attack. Law enforcement tells us, pending an autopsy, they have listed it as death from natural causes, but that can change once the autopsy and toxicology tests are completed.