A forensic judge investigating the death of Instagram's Australian model, Sinead McNamara, believes she tried to avoid being hanged in her final moments.
The coroner Elias Boyiokas said that they had left him "doubts and questions" about whether she committed suicide intentionally.
The 20-year-old was only a few days away from a family reunion when they found her entangled in ropes in the back of a billionaire's superyacht in Greece.
Australian Instagram model Sinead McNamara (pictured) was just days away from a family reunion when she was found hanging from the back of a billionaire's super yacht in Greece
It is believed that he committed suicide, but both his family and now the coroner have their doubts.
"There was no evidence of mistreatment … my verdict is death by hanging, but there were indications that she may have tried to stop him," said the coroner Boyiokas.
He added that toxicological and histological tests would help reveal his true cause of death, The Guardian reported.
"There was no evidence of mistreatment … my verdict is death by hanging, but there were indications that she may have tried to stop him."
A source close to the family said there were serious doubts within the family about reports that all the evidence points to suicide, Fairfax said.
Miss McNamara was preparing to return to Australia to see her family when she died on August 31.
Instagram model Sinead McNamara called her mother crying before taking her own life, according to the Greek family lawyer.
The lawyer for the Charalampos Triantafyllopoulos family revealed that the star of Instagram had allegedly spoken to her brother before she was found unconscious.
He also called his mother, Kylie McNamara, to tell him about an incident with another crew member aboard the $ 190 million Mayan Queen IV, which was docked in Argostoli, on the Greek island of Kefalonia.
Follow reports that the model was struggling with a bad break, as officers review photographs and messages on her phone to reconstruct her last hours alive.
The family claims that Ms. McNamara had been happy and enjoyed her job as a stewardess on the six-story yacht, owned by Mexican billionaire Alberto Baillères.
The family is now demanding answers as to why there was an apparent delay in transporting it by helicopter to a hospital in Athens.
It is believed that a doctor aboard the yacht tried to resuscitate her before she was taken to a hospital in Argostoli.
The Instagram model had even shared an Instagram post (pictured) on the way to his long-awaited return to Australia, describing his excitement, just before he died.
The Instagram model shared an Instagram post on the way to his long-awaited return to Australia describing his excitement just before he died.
& # 39; Live and work on a boat seeing all that the world has to offer. Yes, I think I have it pretty good, "he said.
"Today is a day to be grateful and anddd (sic.) It's less than a month until I can see my family and friends in Aus. Overload of emotion!
The 20-year-old called Mommy Kylie to tell her about an incident with another crew member aboard the $ 190million Mayan Queen IV
The young Instagram model was found hanging from the back of Queen IV Maya (pictured), a $ 190 million superyacht docked in the Greek port of Argostoli, owned by a billionaire
It is understood that McNamara's mother, father and sister only traveled to Athens after being informed that they had found her unconscious behind Queen Maya's back, reported The Daily Telegraph.
He was there for several hours, Mr. Triantafyllopoulos told the Greek press, until a helicopter was able to transfer him to a private clinic in Athens.
In a statement, he said: "The family expects the Greek authorities to respond to the causes and circumstances of his death and the incidents that occurred just before.
"The deceased had telephoned his mother and his brother shortly before the unfortunate incident under investigation.
"She was crying and referred to an incident that took place on the yacht with another member of the crew.
The family is now demanding answers as to why there was an apparent delay in transporting Ms. McNamara by plane (pictured) to a hospital in Athens.
The luxury yacht is owned by Mexican businessman Alberto Bailleres (pictured), worth approximately $ 9.6 billion
The coroner who performed the autopsy on Mrs. McNamara told Daily Mail Australia that she advised her family not to visit her body at the morgue, saying she was in "such a bad state."
"The family says Sinead did not have any problems, she often communicated with them and was happy, and in two days she will be back with her family and friends in Australia.
"Parents believe it is crucial to thoroughly investigate the events and incidents that preceded the death of their 20-year-old daughter.
"In addition, they are looking for reasons for the long delay between the time of the unfortunate incident and the transfer of Sinead to a hospital in Athens.
"He had been unconscious for several hours in a coma and every minute was critical to his life."
"Expressing their confidence in the Greek authorities, they hope that the critical issues above are thoroughly explored and that they receive the right answers for the sudden and unexpected death of their daughter."
The influence of Instagram was not having problems and he was in a good mood before his suicide was suspected, his family's lawyer said. They found her entangled with a rope on the back of Queen Maya IV (pictured)
Miss McNamara's mother and sister were on their way to Greece to go on vacation with her when the crew aboard the Mayan Queen IV made the sad discovery
Greek authorities have seized CCTV images from the yacht's cameras, but at this stage they believe his death is suicide.
MailOnline revealed that only 24 hours before her death, Mrs. McNamara had enjoyed a "happy" night dancing and drinking with her friends.
He visited Baroque Bar in Argostoli on Wednesday night and drank two vodka-based cocktails, one called Dragon's Breath and another called Mango Mangave.
Later in the night they saw her dancing in a chair.
Bar manager Makais Chaliodis said: "I saw the news and I recognized its image.
& # 39; She had come to the bar with five of her friends on Wednesday around 5:30 p.m.
"She sat on one of the stools next to the bar with two male friends and took two cocktails and a club sandwich.
Mrs. McNamara was comforted by a colleague 15 minutes before her death.
Mrs. McNamara wrote a cryptic Instagram post (pictured) only two weeks before her death
& # 39; One of your companions also bought a round of Tequilas, but I do not know if she had one.
"Everyone seemed to be in a good mood and they were happy." They were having a good time.
"They left at 7:30 p.m. but some of them, including the girl who died, returned at 1 a.m.
"The last time I saw her, she had sat on one of the chairs and was dancing.
"He must have been here alone for no more than 30 minutes the second time and then he left."
Back aboard Queen Maya, she was seen talking to a security guard about 15 minutes before she was found dead.
TRAGIC TIMELINE OF AUSTRALIAN INSTAGRAM & INFLUENCER'S DEATH:
May: Sinead McNamara sells all his belongings and flies to Europe to work aboard Queen Maya IV. She had previously worked on similar superyachts
May August: The Australian star of Instagram, 20, travels throughout Europe on the luxury yacht of Mexican billionaire Alberto Bailleres
Tuesday, August 28: Mr. Bailleres leaves the ship in the Greek port of Argostoli and returns to Mexico with his family
Friday, August 31 – 2 a.m. Ms. McNamara's body is discovered on the back of the boat by a passing boat
– A doctor on board works with the crew in an effort to resurrect Ms. McNamara
– They take her to a local clinic and then take her to a hospital in Athens, but she dies in the helicopter.
– Ms. McNamara's mother and sister are informed of her death in the air on her way to Greece to go on vacation with her
Saturday, August 1: The port authorities say that the first indications suggest that the bikini model may have taken life
Sunday, August 2: The remaining crew of Queen Maya IV can leave the Port of Argostoli
Tuesday, August 4: The forensic judge ruled that Ms. McNamara was hanged, and told her mother and sister not to visit her body in the morgue and that she was in "such a bad state".