The late Silvio Berlusconi's two eldest children - Marina and Pier Silvio - now jointly control the family holding company Fininvest.
Berlusconi, a former Italian Prime Minister and business tycoon, died last month at the age of 86.
His will was made public on Thursday.
Our Rome correspondent Giles Gibson has more.
IN: "It sounds like…"
OUT: "...Giles Gibson, Rome."
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