The other is music industry executive John McClain, a longtime Jackson friend who has worked with him and his sister Janet.

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First his mother, Katherine, and then his father, Joe, filed challenges against the executors of his Estate, John Branca and John McClain.

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Katherine Jackson and Michael Jackson's three children are the main beneficiaries of the estate, which is controlled by Jackson's former lawyer, John Branca, and longtime Jackson friend and music executive John McClain.

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Sharing of the contracts was a major point of contention between Katherine Jackson and the two men who control her son's estate: John Branca, Michael Jackson's longtime personal attorney, and John McClain, a music industry executive and longtime friend.

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