BERKELEY, Calif. (AP) The 19-year-old son of a former YouTube executive died last week at the UC Berkeley campus where he resided, officials and a relative said.

The university confirmed that Marco Troper, a Berkeley freshman, was found unresponsive Tuesday afternoon at the universitys Clark Kerr Campus. Troper was later pronounced dead by emergency responders from the Berkeley fire department, the university said.

Esther Wojcicki, the mother of the former YouTube CEO Susan Wojcicki, said in a Facebook post that the family is devastated beyond comprehension over the death of her 19-year-old grandson, Troper.