Ursula fears that if she and her husband Jose Arcadio Buendia have a child, it will be born with a pig’s tale because she and Jose Arcadio Buendia are cousins.
This is the reason she did not consummate her marriage for a long time until people start teaching Jose Arcadio Buendia, calling him impotent.
Her fear of a child born with pig’s tale out fo incenstous relationship comes true in the last generation of Buendia family when Aureliano Babilonia and Amaranta Ursula’s son Aureliano is born with a pig’s tale in result of their incestual relationship.
