William C. Cox Jr., the patriarch of the Bancroft clan that controlled Dow Jones & Co. for 105 years and sold it to Rupert Murdoch’s News Corp. (NWSA) in a decision sparking a family feud, has died. He was 82.

He died on May 1 at his home in Hobe Sound, Florida, where he had lived since 1985, his daughter, Ann Bartram, said today in an interview. The cause was complications from diabetes.

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