These twins were born a few minutes apart, and their fathers are not the same

Twins Michelle and Lavinia Osborne are not identical, but they have been deeply attached to each other since birth.

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But when Lavinia clicked on the email with the results of the home DNA test in September 2022, she was filled with dread.

“Maybe I knew subconsciously,” she says.

The results of her test revealed something startling: twins Lavinia and Michelle do not have the same father.

They were conceived naturally, they developed together in the same womb, they were born by the same mother a few minutes apart – but they are half-sisters.

Michelle and Lavinia, 49, exist thanks to an incredibly rare biological process with a complicated name – heteropaternal superfertilization.

For this process to occur, a woman must produce more than one egg during the same cycle that must be successfully fertilized by sperm from different men, and the resulting embryos must survive pregnancy.

Only about 20 such cases have been recorded worldwide so far.

After months of researching their story for the series BBC Radio 4, The GiftI discovered that Lavinia and Michelle are the only pair of twins with different fathers so far documented in the UK.

Lavinia was devastated by this knowledge. Their childhood together was very difficult, between different group homes and temporary guardians.

The only stability the non-identical twins had was each other.

“She was the only thing that belonged to me, the only thing that I was sure of, the only being that I was sure of,” says Lavinia.

“And then she was gone.”

When Lavinia called her twin sister to share the news, Michelle wasn’t too “surprised.”

“I’m still amazed that it could actually happen – it’s super weird, super unusual, super rare, but it makes sense,” Michelle says.

Michelle and Lavinia’s mother was a vulnerable nineteen-year-old when she gave birth to them in Nottingham in 1976.

“She was abused by her stepfather, so she was in foster homes and children’s homes during her childhood,” says Michelle.

Whenever the sisters asked who their father was, the mother always answered: “James”.

“He wasn’t present in our life,” Michelle continues.

And their mother was absent during their childhood and youth. When they were five, she won a scholarship to study at a university in London and left them in Nottingham with her best friend’s mother, whom the twins called “Grandma”.

“Grandma was strict, she wasn’t very emotional, she didn’t pamper us at all. The only constant I had was Michelle,” says Lavinia.

As long as she had her twin sister by her side, Michelle says, she felt safe.

“She and I were alone against the world.”

At the age of 10, the girls joined their mother in London. But after a couple of years, they were again sent to live in one of their mother’s old foster homes.

They couldn’t understand why their mother didn’t want to be with them.

“Physically and emotionally, she was always out of reach,” says Lavinia.

Although absent for most of their childhood, James came back into their lives when the twins were in their teens.

Lavinia managed to find him and while she thought she recognized him, Michelle was never sure he was her father.

Deep down, she doubted it.

Their mother became demented in 2021 and was no longer able to answer their questions.

Michelle saw a photo of James and was increasingly convinced that he was not her father.

“I just thought, he doesn’t even look like me,” Michelle says.

“That’s why I bought the DNA test.”

This increasingly popular test reveals the truth about family and ancestry. But Michelle didn’t think about how her results might affect Lavinia when she sent the DNA sample off for analysis.

The results arrived on February 14, 2022 – the same day Michelle and Lavinia’s mother died.

James’s surname did not appear in Michelle’s paternal line – he was not her father.

After several weeks of investigation, Michelle discovered that her father was Alex, the brother of the woman who had befriended their mother.

She called Alex’s relatives, who warned her that he had been struggling with alcoholism and drug addiction for years and was living on the streets.

Michelle and Lavinia met up with Olivine, whom Michelle believed to be a first cousin to both her and her twin sister. She immediately felt a connection with her.

“I just knew it was my blood,” she says.

But Lavinia felt no connection. When Olivine showed them photos of her family, Lavinia didn’t see herself in their faces.

She decided to take a DNA test as well. She didn’t expect to get a different result than Michelle, but she had to do something about the growing sense of unease that Alex’s family wasn’t hers.

“I just wanted confirmation,” she says.

When she opened the envelope with the results and saw the startling truth that Michelle was her half-sister, she was desperate and furious.

“I was angry at Michelle for making me go through this, because I never wanted this reality.”

There were more discoveries. When Lavinia looked closely at the results, she saw that James was not her father either.

Lavinia wasn’t interested in finding out who her father was, but Michelle was determined to get answers. While reviewing her sister’s test results, Michelle found Arthur, Lavinia’s biological father.

The twins went to meet him at his home in West London.

“He was a bit nervous, but he has an energetic character – like me,” says Lavinia.

As they were leaving, she kissed Arthur on the cheek.

“I felt that something was pushing me, pulling me to say goodbye to him like that,” she remembers.

Lavinia and Arthur are now close, seeing each other several times a month, often joined by Michelle.

“I feel like I’ve found a place where I belong, and that place is with my dad,” Lavinia says.

Arthur told Michelle that she could call him dad too.

The twins asked Arthur if he knew how they were conceived.

“He said, ‘Your mother knocked on my door. She was very upset. She was crying,'” Michelle says.

“She went to him because she wasn’t safe and she was in shock.”

Michelle was able to meet her biological father, Alex, through other newly discovered family members.

“He was clearly under the influence of drugs,” says Michelle.

The resemblance between them was undeniable.

“He’s mine, I’m his, but I didn’t feel like he was someone who should be in my future,” she says.

“I just had to know.”

The twins will never know if their mother suspected they had different fathers.

“It must have driven her crazy,” says Lavinia.

“She must have seen something, felt something.”

“I think mom knew deep down, but she was denying it to herself,” says Michelle.

As non-identical twins, Lavinia and Michelle were always aware of their differences. The truths revealed in their DNA made those differences even more obvious, at first glance.

But, they will always share a unique bond.

“We are miracles,” says Lavinia. “We will always have a closeness that cannot be broken.”

“She’s my twin sister,” Michelle nods. “It doesn’t detract from that.”