Twin chicks for Dixie Chick

The Dixie Chicks in a publicity shot.

Emily Robison of the Dixie Chicks has given birth to twins. Julianna Tex and Henry Benjamin were born on April 14, according to the Dixie Chicks' website. Julianna weighed 3.05kg and Henry 3.1kg.

"Babies and mom are all doing very well," the posting said.

Robison and her husband, Charlie, also have a 2 1/2-year-old son, Gus.

The trio's other members - Natalie Maines and Martie Maguire - also have children.

"For those keeping track, the welcome arrival of Julianna and Henry into the Robison fold brings the Dixie Chicks' baby count to seven, including a set of twins each for sisters Emily and Martie," the website said.