Last year, Mr Sorrell, who heads WPP, one of the world's biggest communications companies, found himself in the High Court hoping to block his ex-wife Sandra's claim for 50% of the family's wealth.

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The ex-footballer's civil damages claim against News Group Newspapers will be assessed at the High Court in January.

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They include divorced people or widows, or widowers who may be able to claim a pension on their ex or late spouse's contributions.

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