Dixie Chick Emily Robison and her husband, singer-songwriter Charlie Robison, have announced the April 14 arrival of twins Julianna Tex (who weighed 6 pounds, 6 ounces) and Henry Benjamin (weighing in at 6 pounds, 14 ounces). The Robisons also have a son, Gus, age 2. Emily Robison's sister, Martie Maguire of the Dixie Chicks, delivered twins in 2004.