A British-born Aussie who believes he is the lovechild of King Charles III and Queen consort Camilla has said it is a ‘kick in the face’ to see William named as the Prince of Wales.

Queensland-based engineer Simon Charles Dorante-Day, 56, was adopted at eight months old and maintains that his adoptive grandmother told him on her deathbed that he was the ‘secret son’ of Charles and Camilla.

Mr Dorante-Day was born in Portsmouth, UK, on April 5, 1966 and was adopted at eight months old before his family later settled in Australia

He has for years spoken of his desire for the royals submit to a DNA test to prove his genetic heritage and has even sought senior legal advice after a letter penned to the Queen speaking of his plight was not dignified with a response.

‘It’s hard not to take Charles naming William as the Prince of Wales as anything other than a kick in the face,’ Mr Dorante-Day told News7.

‘I don’t want to feel that way, but I do. I just think, the least Charles can do is give me an answer – acknowledge me. He gives William a title like that, well where’s my answer? Where’s my DNA test? If you are not my father, then prove you’re not.’

sThe Aussie also reaffirmed his commitment to pursuing legal action in an attempt to force the King into a paternity test.

King Charles III and Camilla, Queen Consort, arrive at Writer's Square ahead of a service of reflection in memory of Queen Elizabeth II at St Anne's Cathedral on September 13, 2022

‘There has been a discussion in there between a judge and myself and his barrister about the legal standing of Charles, and whether the monarch is protected by the law or is above the law,’ Mr Dorante-Day explained.

‘And the answer to that was no – they told me that we don’t see any reason why he is. And secondly, Camilla and her family are certainly not above the law. So that argument’s already been had and settled.’

King Charles III and Camilla, Queen Consort, arrive at Writer’s Square ahead of a service of reflection in memory of Queen Elizabeth II at St Anne’s Cathedral on September 13, 2022

King Charles III and Camilla, Queen Consort, arrive at Writer’s Square ahead of a service of reflection in memory of Queen Elizabeth II at St Anne’s Cathedral on September 13, 2022

Queensland-based engineer Simon Charles Dorante-Day, 56, was adopted at eight months old and maintains that his adoptive grandmother told him on her deathbed that he was the ‘secret son’ of Charles and Camilla
Queensland-based engineer Simon Charles Dorante-Day, 56, was adopted at eight months old and maintains that his adoptive grandmother told him on her deathbed that he was the 'secret son' of Charles and Camilla
Queensland-based engineer Simon Charles Dorante-Day, 56, was adopted at eight months old and maintains that his adoptive grandmother told him on her deathbed that he was the ‘secret son’ of Charles and Camilla

‘It’s hard not to take Charles naming William as the Prince of Wales as anything other than a kick in the face,’ Mr Dorante-Day told an Australian news outlet (William pictured last week)
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‘It’s hard not to take Charles naming William as the Prince of Wales as anything other than a kick in the face,’ Mr Dorante-Day told an Australian news outlet (William pictured last week)

Mr Dorante-Day was born in Portsmouth, UK, on April 5, 1966 and was adopted at eight months old before his family later settled in Australia.

Both of Mr Dorante-Day’s adoptive grandparents had worked for the Queen and Prince Philip in one of their royal households and he claims his adoptive grandmother told him he was the son of Charles and Camilla.

Mr Dorante-Day’s case alleges King Charles and Queen consort Camilla began their close relationship in 1965, a year before his birth certificate says he was born.

He claims that Queen consort Camilla was absent from the British social scene and King Charles was sent on a trip to Australia nine months before he was born.

Mr Dorante-Day insists that Camilla kept him until he was eight months old, hiding him from the world with the help of the royal family and protection officers, and claims to have been told it was a condition of the adoption that his names Simon and Charles were not changed.

'It's hard not to take Charles naming William as the Prince of Wales as anything other than a kick in the face,' Mr Dorante-Day told an Australian news outlet (William pictured last week)Mr Dorante-Day has gone viral by frequently posting images comparing photos of himself and his children alongside members of the British royal family - in this case the King himself

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However by eight months he was growing too big to hide and it was arranged for the daughter of a royal household staff member – Mr Dorante-Day’s adoptive grandmother – to take him under her care.

Mr Dorante-Day believes inconsistencies on his birth certificate and his name also prove he is of royal blood.

But his timeline of events contradicts official records that say the new King and Camilla met each other five years after Mr Dorante-Day’s birth.

Mr Dorante-Day claimed his research suggests Charles and Camilla first became close in 1965, meeting at Winston Churchill’s funeral in January of that year.

However, Charles and Camilla are widely reported to have met at a polo match in Windsor Great Park in 1970.

Legend has it that she introduced herself with the line: ‘You know, sir, my great-grandmother was the mistress of your great-great-grandfather – so how about it?’ – a reference to Edward VII and his mistress, Alice Keppel.

She eventually married Charles in 2005, 10 years after her divorce from Andrew Parker Bowles in 1995.

Mr Dorante-Day has gone viral by frequently posting images comparing photos of himself and his children alongside members of the British royal family – in this case the King himself
Mr Dorante-Day has gone viral by frequently posting images comparing photos of himself and his children alongside members of the British royal family - in this case the King himself
View gallery
Mr Dorante-Day has gone viral by frequently posting images comparing photos of himself and his children alongside members of the British royal family – in this case the King himself

Mr Dorante-Day believes King Charles III and Queen Consort Camilla are his biological parents after he was adopted at eight-months old
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Mr Dorante-Day believes King Charles III and Queen Consort Camilla are his biological parents after he was adopted at eight-months old

The Queen passed away aged 96 at Balmoral Castle on Thursday. Mr Dorante-Day shared his condolences via social media but reaffirmed his commitment to getting to the bottom of his biological heritage
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The Queen passed away aged 96 at Balmoral Castle on Thursday. Mr Dorante-Day shared his condolences via social media but reaffirmed his commitment to getting to the bottom of his biological heritage

Mr Dorante-Day last week shared a tribute to his supposed grandmother in the wake of Queen Elizabeth II’s death.

He said his daughter Meriam told him Her Majesty had died when he woke up on Friday.

‘Like everyone on the planet it would be hard not to be affected and saddened by her passing,’ he wrote.

‘Since finding out about the loss of my grandmother aka Lilibet, I’ve been inundated with messages of condolence for the loss. Thank you all for your kind words, thoughts, and concern.’

Mr Dorante-Day said the death of the monarch also marked the loss of him ‘pleasantly’ being able to get to the bottom of his biological heritage after she never responded to a letter he wrote to her.

However, he vowed to continue his efforts to try and determine conclusively that the new sovereign and his wife are his true parents.

‘As many of you have expressed my family and I are mourning not just the loss of Her Majesty but the loss of another opportunity to resolve this issue pleasantly, the right way,’ he said.

‘So, despite the lost opportunity of getting to personally hear her version of events, and the great sadness we all feel at her passing, on a personal and public scale it will be business as usual.’