Nona Jackson, who claims to have had 15 children with the late pop star, has filed a 93 page claim to Michael's estate.
She states in the claim: "All my husband's properties, monies and assets must be transferred to me immediately. My husband's body must be returned to the coroner's body or the mortuary immediately (sic)."
In another part of her claim, Nona states: "Though he died to this earth, he lives with my father, Satan the Devil Khalid Lucifer."
A Los Angles judge has refused her request.
Following Michael's death from a suspected cardiac arrest last week, Nona posted a message online, saying: "I have become a widow, I have paid ultimately for loving Michael Jackson but it is all I have to give him, the gift of eternity. He had to be loved even once in this lifetime and I have done that. I too can die in peace some day."
Last year, Nona filed for a restraining order against Michael's ex-wife Debbie Rowe, saying she made it hard to concentrate when she attended award shows with the star.
She also claimed to be the real mother of Jackson's three children, Prince Michael, 12, Paris, 11, and Prince Michael II, seven.
Nona - full name Nona Paris Lola Ankhesenamun Jackson - has previously made claims about Jackson in court in 2006 and again in 2007, although none had sufficient evidence to back them up.
Speaking last year, another judge said: "I feel her evidence fails to establish any genetic relationship."
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