
A woman who birthed a child with her biological father has opened up about the complexities of their taboo relationship.
Sharing her story under the pseudonym Sophia Greenwood, she has explained how meeting her dad Michael for the first time led to them falling in love in a romantic sense.
She plucked up the courage to track down her birth parents in her early twenties after being adopted when she was just five-weeks-old - and was left 'disturbed' by the feelings she felt for the man she had been searching for.
The term to describe this unconventional relationship form is 'genetic sexual attraction', which refers to the intense physical and emotional feelings that relatives who meet during adulthood may experience.
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This phenomenon is often noted in cases of an adopted person reuniting with their family members later in life - and this is what Sophia says she dealt with when she finally met her biological father at the age of 24.
She was raised 'lovingly' in Yorkshire by her adoptive parents after her birth mother was forced to give her up 'in shame for becoming pregnant out of wedlock'. Meanwhile, Michael was packed off to Australia by his parents for 'work experience'.

Sophia explained she had a 'surreal' reunion with her birth mother when she was 23, which she described as 'joyful, emotional and disorientating all at once', before she subsequently got in touch with her dad.
Although she was 'utterly unprepared for the emotional intensity' of meeting the woman who gave her life, she said that nothing could have braced her for the feelings that flooded in when she met Michael.
They exchanged letters and phone calls for several months after first connected and quickly formed an 'intense' bond.
"I felt understood in a way I never had before," she said, as per The Times. "About a year later, we arranged to meet in England. I picked him up from the airport feeling both apprehensive and excited.
"From the moment we met, it felt astonishingly easy between us, as though - rather than having never met until now - we had known each other forever."
Sophia admitted she was left 'disturbed' by what she felt towards Michael, saying: "What frightened me most was not that the connection felt wrong, but that it felt so natural. I realised with horror that what I was experiencing resembled romantic attraction. I had spent much of my adult life thus far searching for this kind of effortless emotional connection with a man and now, impossibly, I felt it for the last person I should.
"Because Michael and I had never known each other as parent and child, that boundary had never formed. At the time, we understood none of this."
'A profound sense of connection and belonging'
What ensued was a five-year relationship, which Sophia referred to as both 'emotionally overwhelming yet completely natural'.
She moved to Australia and operated 'like any couple would' with Michael, but said they were both acutely aware of the elephant in the room - as well as being paranoid about someone finding out.
Sharing some insight into Michael's perspective, she said: "He was of course aware of the biological reality of our relationship and wrestled with it intellectually, but emotionally we both experienced a profound sense of connection and belonging. We felt understood by the other in a way neither of us had experienced before, and for a long time we believed we would somehow find a way through the difficulties."
Their secret became increasingly 'exhausting and isolating' to shoulder though, as Sophia explained that only a 'few' people were aware of the fact they were biologically related.
She later became pregnant with Michael's child and said she felt a termination was not 'emotionally possible' due to the way she herself had entered the world back in 1965.
Although the couple were over the moon when their son James arrived, Sophia said she found 'the secrecy surrounding his origins agonising' and explained she had to invent a 'fictional ex-boyfriend' as a cover story.

Ultimately, the 'strain became unbearable' for the father and daughter to carry, as Sophia said: "We knew our biological connection would be judged harshly and our future could never feel entirely secure."
She eventually returned to the UK and informed some of her relatives of what had happened with Michael - which led to some 'emotionally brutal' conversations, 'confrontations' and 'relentless pressure for us to never see each other again'. Despite them parting ways, one of Michael's former girlfriends reported the pair to Australian police in 2004, leading to his arrest.
"Michael was arrested and later received a suspended sentence for what was legally classified as incest, although because the relationship involved two consenting adults who had never known a family relationship, it was referred to during proceedings as 'technical incest'," Sophia explained. "British police interviewed me at the request of Australian authorities but decided it was not in the public interest to pursue charges."
She had since got engaged to a 'wonderful' new man who she welcomed another son, Lucas, with, but said her past with Michael continued to hang over her head.
When both of her boys decided they wanted to live in Perth together, Sophia decided to confront the legal grey area she had been left in, as she feared she would face prosecution if she ever returned to Australia.
'It was over'
"With great trepidation I engaged legal assistance, instructing a criminal lawyer who reviewed the original file, submitted detailed representations explaining that more than three decades had passed, that I had voluntarily come forward, had lived as a law-abiding citizen, and had returned to Australia specifically to resolve the situation and be close to my son," Sophia explained.
"Following preliminary hearings, prosecutors discontinued the case and all charges were withdrawn. The joy we felt as a family was indescribable. The cloud that had hung over our lives for years dissipated. It was over."
Sophia now lives in Perth close to both of her sons, while Michael 'remains a loving father to James'. She said their dynamic these days has 'evolved into something more like extended family'.
"Looking back now, I believe much of what we experienced was shaped by reunion trauma, lost attachment and the absence of natural familial boundaries," the mum said.
"It never felt incestuous to us because, emotionally, we met as strangers. I speak about it now not to seek absolution, but because I believe greater understanding is needed around the psychological complexity of adoption reunions and genetic sexual attraction. By the time we understood what was happening to us, our relationship had already taken root.
"Had we known earlier, we might have been able to make different choices and steer our newfound relationship in a different direction."
Sophia penned a book about her and Michael's relationship titled Forbidden Love: A True Story of Adoption, Reunion and Longing alongside Helen Croydon.
Topics: Sex and Relationships, Parenting, World News