John Dutton didn't tell anyone his unconventionally young wife is pregnant. Kenzie had met John when she had come to trail horses on the Yellowstone Dutton ranch they hit it off immediately and fell in love they got married 6 months later and got pregnant pretty quick even though it wasn't planned. But they're very excited about it. They decide not to tell anyone she's pregnant and keep the baby a secret. 9 months come, and 9 months go, and on April fools day, their little girl is born. He sends a text out to his older children Jamie, Lee, Beth, and Kayce, who all don't believe him. Beth doesn't even respond and doesn't even plan to show up at the hospital, which John and her aren't surprised about. But the boys to humor their father decide to go to the hospital and they go up to her room and by damn it there is their stepmother laying in a hospital bed eating a burger and their father holding a little baby on his chest. Jamie, Lee, and Kayce have their jaws on the ground. Kayce: I thought it was just an April Fools Day prank her and John chuckled a little