A member of a wealthy Mexican family was arrested on manslaughter charges after his 11-year-old son was killed during a boating trip in the San Francisco Bay, police say.

Javier A. Burillo, 57, faces charges including vehicular manslaughter with a vessel and operating a boat while under the influence after police say his two sons were thrown overboard when the boat hit a wave.

Tiburon Police Chief Michael Cronin told reporters that Burillo was driving the boat near Angel Island, north of San Francisco, when his 11-year-old son and 27-year-old son fell off.

“There is a fair possibility that they were swept under. Or when he turned to rescue them,” Cronin told reporters, per KGO-TV.

Burillo brought his two sons aboard and drove them back to Corinthian Yacht Club, police said. His older son had cuts to his leg while his younger son was pronounced dead there, Cronin said. Burillo was the one to call police around 7 p.m. Sunday, Cronin added.

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“It’s a tragedy. We’re all heartsick about it,” he said.

According to the Associated Press, property records show Burillo’s full name is Javier Burillo Azcarraga, a wealthy property developer with luxury hotels and restaurants in Mexico. His family also founded a massive media company, Grupo Televisa SA, with programming and news shows seen across Latin America.

The Marin Independent Journal reported that court records indicate Burillo’s wife, Rose, filed for divorce in a pending case in Marin in which she sought child support for her and the boy.

“Javier is a member of an extraordinarily and politically powerful family in Mexico,” she wrote in a court filing, the newspaper reported.

The Associated Press reported that the couple bought their Marin County home for $10.2 million in 2004. 

“I know him as Javier Burillo,” Cronin said, declining to confirm the man’s full name.

Burillo was released on $1 million bail Monday.

Contributing: The Associated Press. Follow USA TODAY’s Ryan Miller on Twitter: @RyanW_Miller