The 30-year-old member of the super-rich Johnson & Johnson family died from untreated diabetes in January.

Her father, New York Jets owner Woody Johnson, has asked the court to appoint him special administrator of his daughter’s estate, TMZ.com reported.

He said in the application that “it is necessary for him to take possession of all of the assets … as quickly as possible to preserve her estate from damage, waste, injury and publicity.”

Johnson’s mom, Sale Johnson, said in legal papers she has custody of Casey’s daughter, Ava, and is trying to adopt her or become her legal guardian, the gossip Web site reported.

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