TLC's Duggar Reality Family Welcomes First Grandchild

TV’s biggest reality family just got a little bigger.

Joshua and Anna Duggar – from TLC’s “18 Kids and Counting” — welcomed daughter Mackynzie Renee Duggar on Thursday, according to People.

Meredith Vieira also announced the news on Friday’s “Today” show on NBC, noting the baby weighed in at 8 pounds and was 19.5 inches long.

The newest Duggar was born at Joshua and Anna’s home, with a midwife and doula assisting in the birth.

“Josh was excited to participate in the birth as well,” a family friend told People. “They are both so happy.”

Although she is the first child for the young couple, both 21, she certainly has a lot of family who were anxious to meet her, with 17 aunts and uncles in the Duggar clan.

In fact, the brood is about to grow again in 2010, as Jim Bob and Michelle Duggar are expecting their 19th child in the spring.

Joshua is the Arkansas couple’s oldest son – all of whom have names that start with the letter J.

Mackynzie Duggar’s birth will be featured on an “18 Kids and Counting” special, titled “First Grandduggar”, airing Tuesday, Oct. 13 at 9 PM on TLC.

As previously reported on AccessHollywood.com, TLC will change the name of the Duggars’ reality show to “19 Kids and Counting,” following Mackynzie’s birth.

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