Lavinia and Michelle discover different biological fathers through DNA tests

5 articles · Updated · The Guardian · May 2

The south London twins, now 49, were born in Nottingham in 1976 and are among fewer than 20 documented heteropaternal superfecundation cases worldwide.
Michelle's 2022 test identified Alex as her father, while Lavinia later found Arthur, gaining a close relationship with him after years of childhood instability and their mother's death.
The revelation left the twins half-sisters as well as twins, strained their bond at times, and raised unresolved questions about their mother's circumstances that can no longer be answered.

Could your closest family member turn out to be only a half-sibling, and how would this discovery reshape your sense of identity?

How might rising consumer DNA testing uncover more hidden stories like the Osbourne twins, and are we ready for the emotional and legal fallout?

What happens when DNA testing reveals family secrets that challenge everything you thought you knew about your origins?