MINNEAPOLIS – The Latest on Prince’s death and his estate (all times local):

1:40 p.m.

A top Minnesota probate lawyer says resolving Prince’s estate may get extremely complicated if his siblings and half-siblings can’t agree how to do it.

Prince’s sister, Tyka Nelson, filed court documents Tuesday saying she knew of no will and asked the court to appoint a corporate trust company to oversee his estate.

Susan Link is head of the estate planning group at the Maslon law firm. She says that if Prince left no will or trust, it’s going to be important for lawyers to get the siblings to agree on how to divide his complex estate.

Nelson is Prince’s only full sibling. Her court papers list five half-siblings who also stand to share in the estate.

Prince died Thursday at age 57. An autopsy was done last week but results aren’t expected to be released for weeks.

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11:15 a.m.

Prince’s sister says the superstar musician had no known will and she’s filed paperwork asking a Minnesota court to appoint a special administrator to oversee his estate.

Tyka Nelson filed the paperwork Tuesday in Carver County probate court. Prince died at age 57 on Thursday at his estate in suburban Minneapolis. No cause of death has yet been released.

Nelson is his only surviving full sibling.

Nelson says in her filing that an emergency exists because immediate action is necessary to manage Prince’s business interests. She’s asked that Bremer Trust, a corporate trust company, be named administrator.

With some $27 million in property and an outpouring of nostalgia over the pop star’s death, Prince’s heirs could stand to inherit a small fortune. The size of the fortune isn’t clear, and recent disputes suggest money was tight.

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This story has been corrected to show that the filing was with a Minnesota court, not a court in Minneapolis.