The woman, who was adopted as a child, claimed she made the discovery when the pair decided to take DNA tests together to find more about their families – but she has not yet shared the results with her partner
When you spend years with one partner, you will likely experience numerous important milestones together.
But the couple’s future has been left hanging in the balance, and their happiness crushed, following a shock discovery.
The couple has been left heartbroken after learning they are actually brother and sister – never realising, since they were both adopted at any early age.