BALTIMORE (CNN)– Fidel Castro’s eldest son took his own life Thursday, Cuban state media reported.

Fidel Castro Diaz-Balart, known as “Fidelito” or little Fidel, had been receiving treatment for depression in Cuba for “several months,” the state-run Cubadebate website reported.

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Castro Diaz-Balart, 68, was the only son of the late former Cuban president and his first wife, Mirta Diaz-Balart.

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Mirta Diaz-Balart’s nephew, Mario Diaz-Balart, is currently a Florida congressman and staunch foe of the Cuban government.

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