Inside the bizarre family saga of heiress Kira Kerkorian Bing

Kira Kerkorian Bing’s two “fathers” have staggering fortunes — but in the end, the 20-year-old was disinherited by both of them.

Kira Kerkorian Bing is only 20 years old — but she has already been all but disowned by two fathers in her short life.

The US university student’s mother, former tennis pro Lisa Bonder, was married to US media mogul Kirk Kerkorian, who was 48 years her senior, for just 28 days in 1999.

When she fell pregnant, she insisted Mr Kerkorian was the father, and after they divorced, he paid a whopping US100,000 a month in child support.

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As part of the former couple’s divorce settlement, Mr Kerkorian was also forced to establish a $US7 million trust for his daughter.

But Mr Kerkorian suspected Kira wasn’t actually his child — and in the noughties his private detective, Anthony Pellicano, famously swiped a piece of dental floss used by New York businessman Steven Bing, a former boyfriend of Ms Bonder.

Steve Bing (left) and Kirk Kerkorian. Picture: AP/Supplied

Following DNA testing, that tiny strand proved that Mr Bing was in fact Kira’s father — and despite Mr Kerkorian’s estimated $US4.2 billion fortune, she was left with $US8.5 million when he died in 2015 at the age of 98.

Even that sum was hard won, with Ms Kerkorian Bing increasing her original $US7 million share of the immense wealth by $US1.5 million after contesting the billionaire’s will.

But the saga doesn’t stop there.

Even in the face of that clear evidence, Ms Kerkorian Bing has also been rejected by her own biological father and his family.

Lisa Bonder (left) and her daughter Kira Kerkorian Bing are both keen sportswomen. Picture: Facebook/Supplied

Mr Bing’s own fortune comes largely from his real estate developer grandfather, Leo S Bing, who struck it rich in New York in the 1920s.

At just 18 years of age, Steve Bing inherited approximately $US600 million from his grandfather.

But his father, Dr Peter Bing, is now fighting to stop his illegitimate grandchildren from getting their hands on the family trust.

Kira, pictured in 2009, with her dog Tucker. Picture: Facebook @Kira Kerkorian

Those children include Ms Kerkorian Bing and her 16-year-old half-brother Damian Hurley, whose mother, UK actress Liz Hurley, fell pregnant after a brief fling with Mr Bing.

The latest battle over the family fortune kicked off after Ms Kerkorian Bing allegedly claimed she was a beneficiary of the Bing trust and demanded information on it.

In response, Dr Bing filed court papers in Los Angeles County which asked for a judge to deem Ms Kerkorian Bing ineligible.

Kira Kerkorian Bing (centre) has followed in her mother’s sporty footsteps. Picture: Facebook @Kira Kerkorian

That’s because the trust, which was established in 1980, “would not benefit any person bought out of wedlock unless that person had lived for a substantial period of time as a regular member of the household”, according to court documents, The Mirror reports.

According to The Mirror, Dr Bing’s affidavit claims he has never met Damian or Kira and that neither child was “raised by Stephen as part of his family”.

Lisa Bonder and her daughter Kira Kerkorian Bing. Picture: Facebook

“l know that neither of them has lived with Stephen while a minor as a regular member of his household,” the affidavit states.

“To the best of my knowledge, Stephen has never met Damian, and Stephen only met Kira after she became an adult.

“Regardless of whether, when and if Stephen met with or had any relationship with Damian or Kira while they are or were minor, because neither was raised by him during their formative years, l do not consider them my grandchildren.”

Liz Hurley's son Damian is Ms Kerkorian Bing’s half-brother. Picture: Instagram

Despite her scandalous family life, Ms Kerkorian Bing, a keen equestrian, has largely managed to stay out of the spotlight over the years and little is known about her private life.

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