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Jill Duggar, Derick Dillard, Israel Dillard, Michelle Duggar, Jim Bob Duggar

TLC/Getty Images

Michelle Duggar and Jim Bob Duggar are two happy grandparents!

The 19 Kids and Counting couple's 23-year-old daughter Jill Duggar gave birth to their fourth grandchild, a baby boy, on Monday night. The baby is the first child for her and husband Derick Dillard, 26. The two, who were both raised by devout Christian families, gave him Hebrew and Biblical first and middle names—Israel David. Jill's parents, as expected, totally approve. 

"Yeah!!! Our sweet new grandson, Israel David Dillard is here. We love him so much already and we love his name!" Michelle and Jim Bob wrote on the family's blog on Tuesday, the day Jill announced the child's arrival. "Our Jill is doing wonderful and Derick seems to have a permanent smile on his face now! Israel is precious and his arrival is just another reminder of how very precious life is and how every child is a gift from God. We are happy grandparents!"

The couple's eldest child, son Josh Duggar, 27, and his wife Anna Duggar, 26, are currently expecting their fourth child, a baby girl, who will be Michelle and Jim Bob's fifth grandchild. 

Jill welcomed the baby in a hospital. She had originally planned to have a home birth, but had delivered her son 13 days past her due date. TLC, the home of 19 Kids and Counting, plans to air on May 5 a special episode focusing on the baby's arrival.

The two had said in an episode of 19 Kids and Counting that if their child was a boy, they would name him Israel.

The new parents on Tuesday shared a video as well as pics of their newborn son. One shows Jill sporting a purple headband with her name written on it and holding the baby while lying on a hospital bed. The child is wearing a onesie that bears the words "I Israel" and his grinning dad appears by their side and sports a brown T-shirt with "Israel Defense Forces" written on it in English and Hebrew.

The clothing item is a common souvenier purchased by tourists in Israel. Both have visited the country before. The Duggar family vacationed there in 2011 and parts of their trip were shown on 19 Kids and Counting.  Dillard told ABC News last year that he bought Jill's 0.63-carat solitare engagement ring in Israel. He and Jill got engaged in March 2014 and wed the following June.