Starr's agencies began to book business on behalf of other insurers, including ACE (run by Greenberg's son EvanGreenbergEvan Greenberg) and Berkshire Hathaway.

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Among them: CNA Financial, Kemper and the Brandywine subsidiary of Ace, the insurer run by Hank Greenberg's son Evan.

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Supporting testimony comes from two executives at insurer American International Group, run by Jeff Greenberg's father, Maurice (Hank) Greenberg, and one at Ace, run by Jeff's younger brother, Evan.

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