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Cause of death revealed for Marco Troper, son of former YouTube CEO Susan Wojcicki

The son of former YouTube CEO Susan Wojcicki died from an accidental drug overdose, the autopsy report concluded.

Marco Troper, 19, succumbed to a combination of high amounts of alprazolam – an anti-anxiety drug sometimes sold as Xanax – as well as cocaine, amphetamine, and the antihistamine hydroxyzine, SFGATE reported.

Marco Troper, 19, was found unconscious inside a California dorm room. Facebook/Esther Wojcicki

Low levels of THC were also in his system, the outlet added, citing the coroner’s report from the Alameda County Sheriff’s Office.

The levels of alprazolam and cocaine found in Troper’s blood were high enough to result in death, the officials said.

Troper was the son of former YouTube CEO Susan Wojcicki. AP
His grandmother Esther Wojcicki is known as the “Godmother of Silicon Valley.” Getty Images for WIRED

The teen’s cause of death has been listed as “acute combined drug toxicity,” with the report noting that it is believed to have been an accidental overdose.

The freshman math major was found unresponsive in his dorm room on UC Berkeley’s Clark Kerr campus on Feb. 13.

Investigators “suspected illicit and prescription drugs, including Percocet and Oxycodone” at the scene, the coroner’s report notes said.

Troper was remembered as a math genius who loved playing sports. Facebook/Esther Wojcicki

His grandmother, Esther Wojcicki, said at the time that Troper’s family feared he had started dabbling with drugs in college.

“He ingested a drug, and we don’t know what was in it,” the grieving relative told SFGATE. “One thing we do know, it was a drug.”

Troper is one of the five children of former YouTube honcho Susan Wojcicki and her husband, Dennis Troper. 

A toxicology report determined Troper’s cause of death. Facebook/Esther Wojcicki

His aunt, Anne Wojcicki, is the co-founder of the genetic testing giant 23andMe.

Troper was remembered by his mentor, Professor Freedom Cheteni, as a “moonshot kid.”

“Marco and I were working on his most inspiring idea to cure cancer leveraging nanotechnologies and Ai the last six years,” Cheteni wrote, alongside photos of Troper and his cousins as children.