Prince's Sister Says He Did Not Leave a Will

By Inside Edition

Updated: 1:24 PM PDT, April 26, 2016

Prince's estate is estimated at $300 million.

New court documents say Prince had no will.

Read: Newly Surfaced Video Shows Prince Playing 'SNL' Afterparty

The musician "died intestate" - meaning he did not specify what should happen to his estate, his sister, Tyka Nelson claims.

In a court document, she says her brother has "substantial assets," but did not list them. Recent estimates have valued his estate at $300 million.

Nelson listed herself, three half-brothers and two half-sisters as heirs.

She asked the court to name a special administrator to oversee her brother's assets.

Meanwhile, reports surfaced claiming the celebrity's half-siblings had worried in the past about his alleged abuse of cocaine and the painkiller Percocet.

Read: Was Prince Awake For 154 Hours Before His Death?

Lorna and Duane Nelson have since died, but their attorney, Michael Padden, spoke to the Minneapolis Star-Tribune about his client's alleged concerns.

“Both were really concerned it would end his life prematurely,” he told the newspaper.

Watch: The World Sees Purple in Tribute to Prince

Prince's Sister Says He Did Not Leave a Will

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Prince's estate is estimated at $300 million.

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Prince's Sister Says He Did Not Leave a Will

Sister of Prince Says He Did Not Have Will For His Estimated $300 Million

22-Year-Old Florida Camp Counselor Survives Rare Brain-Eating Amoeba

Case of Philadelphia Teacher Stabbed 20 Times Gets Reopened 10 Years Later

Elevator Footage Captures OnlyFans Model Courtney Clenney Fighting Her Boyfriend

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Pennsylvania 911 Dispatcher Charged for Not Sending an Ambulance

Husband Uses Portable Airway-Clearing Device to Save Choking Wife

Deer Visibly Confused When Pennsylvania Homeowners Addresses It on Ring Camera

Wife and Daughters of Jan. 6 Rioter Guy Reffitt Speak Out About His 7-Year Prison Sentence

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Anne Heche in Critical Condition Following Fiery Car Crash in California

Utah Woman Fends Off Armed Attacker on Salt Lake City Street

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At Least 3 People Dead and 11 Homes Destroyed in Indiana House Explosion

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Prince's estate is estimated at $300 million.

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