While the specific birthdates of Willie Robertson's children (John Luke, Sadie, Will, Bella and Rebecca) are not published, their birth order is as follows:
Rebecca is the eldest child. She's an exchange student from Taiwan, and became their foster daughter.
John Luke is the eldest boy, he has been on Duck Dynasty most often.
Sadie is the middle child.
Will was the third Robertson child, he was adopted at birth before Bella was born.
Bella is the youngest of the family.
Duck Dynasty is a reality and documentary show on A&E that follows the Robertsons, a family of self-described "rednecks" who live in the backwoods of Monroe, Louisiana and have transformed a small business creating duck hunting calls into a multimillion dollar empire.
Willie Jess Robertson is the chief executive officer of Duck Commander. Willie is married to Korie, who is also his business partner and the office manager of Duck Commander. Duck Dynasty buzz, during the CMA Music Festival, the men and women of the Robertson family announced that they have signed with Universal Music Group Nashville and will release a Christmas album entitled, Duck the Halls: A Robertson Family Christmas, on October 29, 2013. They will be putting on their camouflage gear for their first Christmas album, produced by Buddy Cannon and will feature the Robertson family vocals and humor.