Jessa Duggar and her husband Ben Seewald welcomed their first child on Thursday, and they have already shared the very first photos of their healthy baby boy.

Seewald, 20, posted an adorable photo of himself holding their bundle of joy to their website, letting fans know that Jessa was doing OK. "Our sweet baby boy was born last night," he wrote. "He weight 9 lbs and 11 ounces and is 21 1/4 inches long! He's precious and both he and Jessa are doing great. Stay tuned-we will share his name soon!"

He then included a link to their very first baby album, which included several photos, including one with Grandpa Jim Bob.

Jessa's sister Jill and her husband Derick Dillard took to Instagram to congratulate the new mom with a photo of the baby. "Congrats to Jessa and Ben on the birth of their baby boy!" Derick wrote, according to People. "@ben_seewald @jessaseewald y'all are great parents already! May you raise this little guy in the love and admonition of our Lord. #congrats #newparents #newnephew #prouduncle."

"Yay! So excited for @jessaseewald and ben_seewald," Jill captioned a photo of a screenshot of their website, letting everyone know where to find the new photos.