Jon Bon Jovi has a new granddaughter! Jon’s son, Jesse Bongiovi, has just welcomed his first daughter with his wife, Jesse Light - a beautiful baby girl named Blair Lucy Bongiovi💕 "Blair Lucy Bongiovi. Our sweet girl has arrived, and we couldn’t be happier. Welcome to the world, baby Blair bear," Jesse wrote in a sweet birth announcement. 📷 : Getty Images and #JesseBongiovi #JonBonJovi #BirthAnnouncement