If a baby is born in the middle of the sea in international waters with absolutely no boats or ships close to him or his mother, and if both of his (or her) parents come from a country that doesn't recognize as nationals those that were given birth outside said country's borders, Like North Korea I think. ¿Whats the Baby's nationality?

The answer is sea baby, if that happens, The baby is a sea Baby, his homeland...I mean home waters will always be the open sea and no continental based country, wherever the baby ends up living at is meaningless because his instincts would lead him to Join the sea shepherd and fight for the Sea's inhabitants interests.