over. reporter: will and kelen settle of bluffton, south carolina. after four generations of all boys, what were they having? two, three. reporter: finally, a girl. everybody thought that she would be a boy. so it was a good surprise. when i saw those pink balloons come out of that box, i had the largest smile on my face that you could possibly imagine. reporter: that s because it had been 137 years, generation after generation, since a baby girl was born into the family. every fiber of my being told me that i was going to be having a baby boy. i never in a million years thought that i was going to be the father of a daughter. reporter: 7:51 p.m. june 25th, carter louise settle breaking the streak. my family is just ecstatic. reporter: meeting grandpa settle for the first time. it was great seeing my dad holding my baby girl. carter louise definitely has him wrapped around her finger.