A couple’s unique love story took an unexpected turn when they discovered the possibility of being half-siblings. Arthur and Audrey Kermalvezen, who both share the experience of being conceived through sperm donation, met in 2010 at an event for donor-conceived activists. Their connection was immediate, with both describing their first encounter as “love at first sight.” However, the complexities of their biological origins loomed over their budding relationship.
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When the couple began their romance, they were acutely aware of the limited sperm banks in Paris, their hometown, at the time of their conception. Given that many donors contributed sperm to multiple banks, there was a significant possibility that Arthur and Audrey could share the same donor. This revelation prompted them to explore their genetic histories together.
In France, laws surrounding genetic testing for donors are notably stringent. Only certain qualified professionals, such as researchers or doctors, can request and supervise DNA tests, making it a challenging process for individuals seeking personal information. Genetic testing companies have also opted to avoid the French market due to these restrictions, further complicating the couple’s quest for information.

After months of effort, Arthur and Audrey managed to find a doctor willing to conduct a genetic test clandestinely. The results confirmed that they were not related, alleviating their initial fears. Despite this, concerns lingered about the credibility of the test results. Audrey, a lawyer by profession, sought legal means to perform an at-home genetic test but faced obstacles. In 2015, her final appeal to France’s highest administrative court to overturn the existing laws was unsuccessful.
Undaunted by these setbacks, the couple decided to marry. The birth of their first child marked a pivotal moment in their journey towards understanding their biological heritage more comprehensively. A physician agreed to investigate their respective sperm donors, but French law prevented him from sharing this information directly with them. Audrey articulated her frustration at the situation, noting, “It’s completely weird. Because it means that the doctor can know more than me … about me.”
Ultimately, the doctor discovered that Arthur and Audrey’s donors were from different birth years, confirming that they were indeed not conceived from the same donor. Still cautious, Arthur opted to take an at-home DNA test later on, which also indicated they were unrelated.
In 2017, the couple’s journey into their origins evolved when Arthur’s test results connected him with his biological father, whom he met on Christmas Day. Audrey also received significant news, discovering a biological sister named Sophie through her own DNA match. Interestingly, Sophie was someone Audrey had previously represented in court regarding legal rights linked to their biological heritage.
The couple, now proud parents of three children, took part in a broader initiative involving eight other donor-conceived individuals advocating for access to biological information. Among them, four shared the same sperm donor, highlighting the community aspect of their experience. In a follow-up to her discoveries, Audrey identified her own donor, Philippe, though tragically he had already passed away. Learning about her origins took a new turn as Philippe’s family welcomed her, providing her with insights into her biological background.
Arthur has since chronicled their experiences in a book titled “Born from an Unknown Sperm,” while both have founded an organisation named Origines, dedicated to championing the rights of individuals seeking knowledge about their biological origins. Audrey emphasised the fundamental belief behind their advocacy: “Every person has the right to know their origins and the right to know their history.”
This remarkable journey underscores not only the challenges faced by those conceived through sperm donation but also the vital importance of familial connections and personal history. Arthur and Audrey Kermalvezen continue to share their story, advocating for transparency and access to information within the realm of assisted reproduction—an issue that resonates with many in similar situations across the globe.
