(CBS/AP) The dispute between Terri Schiavo's parents and her husband continued Thursday even after the severely brain-damaged woman succumbed to death 13 days after her feeding tube was removed – and 15 years after the tube was first connected.

The 41-year-old woman died at 9:05 a.m. Thursday at the Pinellas Park hospice where she lay for years as an epic legal and medical battle that went all the way to the White House played out.

The latest bone of contention between Bob and Mary Schindler and their son in law, Michael Schiavo, was over who was allowed to be present during the final moments of Schiavo's life.

The Schindlers' advisers complained that Schiavo's brother and sister had been at her bedside a few minutes before the end came, but were not there at the moment of her death because Michael Schiavo would not let them in the room.

"And so his heartless cruelty continues until this very last moment," said the Rev. Frank Pavone, a Roman Catholic priest.

He added: "This is not only a death, with all the sadness that brings, but this is a killing, and for that we not only grieve that Terri has passed but we grieve that our nation has allowed such an atrocity as this and we pray that it will never happen again."

George Felos, the attorney for Michael Schiavo, disputed the Schindler family's account. He said that Terri Schiavo's siblings had been asked to leave the room so that the hospice staff could examine her, and the brother started arguing with a law enforcement official.

Michael Schiavo feared a "potentially explosive" situation and would not allow the brother, Bobby Schindler, in the room, Felos said.

Michael Schiavo was at his wife's bedside, cradling her, when she died a "calm, peaceful and gentle" death, a stuffed animal under her arm, and flowers arranged around the room, said Felos. Her parents, Bob and Mary Schindler, were not at the hospice at the time, he said.

"Mr. Schiavo's overriding concern here was to provide for Terri a peaceful death with dignity," Felos said. "This death was not for the siblings, and not for the spouse and not for the parents. This was for Terri."

The parents and husband were also at odds over funeral plans. Michael Schiavo will get custody of the body and plans to have her cremated and bury the ashes in the Schiavo family plot in Pennsylvania; his in-laws oppose those plans and another court challenge is expected.

An autopsy is planned, with both sides hoping it will shed more light on the extent of her brain injuries and whether she was abused by her husband, as the Schindlers have argued.

In the meantime, the Schindlers are planning a memorial service for Thursday night.

At an afternoon news conference outside the hospice, Terri Schaivo's sister, Suzanne Vitadamo, offered the family's thanks to supporters, doctors, clergy and lawmakers who worked on Terri's behalf. She also thanked the media for "taking Terri's case to the nation."

To her sister, Vitadamo said: "Terri, we love you dearly, but we know that God loves you more than we do. We must accept your untimely death."

She urged supporters to "please continue to pray" and to do all they can to change the law so "all the other Terris" around the country don't have to face the same circumstance.

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