Man has three children with his girlfriend’s twin without anyone knowing (not even him)

A DNA test brought out the chilling mystery; there are only 30 recorded cases like this in the world.
https://familias.com/authors/fernanda-gonzalez-casafus

Fernanda Gonzalez Casafús es argentina, mamá y Licenciada en Periodismo. Ama los animales, la danza, la lectura y la vida en familia. Escribir sobre la familia y la maternidad se ha convertido en su pasión.