Who is Rebecca Robertson of Duck Dynasty? New cast member is adopted foster daughter from Taiwan [PHOTO, VIDEO]

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Duck Dynasty season 5 will be premiering on A&E January 15, 2014.

Fans of the hit reality cable TV show Duck Dynasty are probably familiar with most of the members of the infamous Robertson family.

Phil Robertson is the patriarch of the Robertson family. He founded the successful Duck Commander business, where they manufacture duck calls for hunters.

Phil Robertson and his wife Kay have four children – Alan, Jason, Willie and Jeptha Robertson.

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Willie Robertson is married to Korie and the pair have five children together – John, Sadie, Will, Bella and Rebecca.

Their teen daughter Sadie, 16, made her first runway debut at New York Fashion Week in September last year and appears frequently as a regular on the Duck Dynasty reality show.

One family member who had remained largely out of the spotlight is Rebecca Robertson, who is 24 years old. But now she will be joining the show as the newest cast member on season 5 of Duck Dynasty.

See the Duck Dynasty season 5 sneak preview in the video below:

While John, Sadie and Bella are Willie's biological children, Will was adopted at birth and Rebecca is their foster daughter who initially stayed with the family as an exchange student from Taiwan. But the loving Robertson family took her in as one of their own.

On Twitter, Korie describes herself as a "Mom to four awesome kids plus a sweet exchange student who became ours. Love my big family. Thankful. God is good."

Korie Robertson and Rebecca recently launched a clothing boutique together called Duck & Dressing.

Rebecca Robertson wrote in a blog post earlier this year: "Welcome to the Duck & Dressing blog! Its a new year and just wanted to start a new adventure so that maybe I can share some of the fun behind the scenes stuff that goes on around the store and also share some of the styles that we are featuring. We've been working around the clock getting the store running but we've been having some fun too!"

The store's online website will be launching in Spring this year.

Having adopted a son and a foster daughter, Willie said in a statement at the Adoption Institute's Angels in Adoption Gala in Washington D.C. last year: "There are plenty of kids who need homes. That's why we're all here. We have adopted children and we have natural children ... and there's no difference between them."

He continued, "I've done a lot of things in the past couple of years. I've met presidents and been all over the world. But I still say the best decision we ever made and that had the biggest impact on our lives was the adoption of our son, Will."