Singer and reality-TV star Kevin Jonas and his wife, Danielle, welcomed their first child on Sunday. "We are overjoyed at the birth of Alena Rose Jonas," they said in a statement to E! News. "She is precious! We could not be more excited to start building our family together. We want to thank our family and friends for their love and support, and our fans for all of their well wishes." The couple married in 2009 at Oheka Castle in Huntington.