A woman gave birth to two boys on the same date, within about twenty minutes of each other, and yet they were not twins. How could this be?
They were two of a set of triplets (or quadruplets, etc.)
A mother gave birth to twin boys, but they were born in different years and on different days. And no, the boys are not part of 2 sets. How can this be possible?
Two children are born on the same day from the same mother but they are not twins. How is that possible?
"We were born on the same day of the same year," said Betsy. "And we have the same mother and father," said Patsy. "But we're not twins," said Betsy. Can you explain?
Two Irish potatoes were sitting on a chopping board. "I'm about to change my nationality" one said to the other. "How?" the other potato asked.
Two lawyers were fighting against each other in a case in a courtroom. One of them is the father of the other's son. How are they related?