Carlin Bates' newborn baby is lifting her family's spirits amid sister Erin Bates' health battle. Gil and Kelly Jo Bates took to their joint Instagram account on Thursday, September 11, to celebrate the birth of their grandchild. "A little bright spot in our world joined our family & put smiles on all of our faces!" the couple captioned a carousel of photos showing Kelly Jo, 58, posing with Carlin, 27, her husband, Evan Stewart, and their third child in the hospital. Several other Bates family members were pictured as well.