Does this mean that they’re still twins? How is this even biologically possible? This will definitely make family get togethers interesting. 

(CNN)A New Jersey father has been ordered to pay child support for one girl in a set of twins after DNA tests proved he is not the father of both, according to court documents.

The mother testified in a paternity case that, within a week’s time, she had sexual intercourse with two men — the man genetic tests confirmed as the father and another unidentified man.

The judge acknowledged the unusual circumstances of the case in a ruling this week.

“This is a case of first impression in New Jersey and only a handful of reported cases exist nationwide,” Superior Court Judge Sohail Mohammed said in his ruling.

The mother of 2-year-old twins went to court seeking child support from the father of the child. Neither party is named in court documents.

Read more: CNN