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TONTITOWN, Ark. (KTHV) - The Duggar family, of Tontitown, Arkansas,is getting ready to welcome another baby to their group.

Jim Bob and Michelle Duggar's oldest son, Josh announcedMonday that he's expecting his third child with wife, Anna, 24. The announcement was first made on the Today Show, but shortly afterJosh, 25,shared the news on his Twitter account, saying,"So thankful for the blessing of our 3rd child! Thanks @todayshow for having us on this morning!... http://instagr.am/p/WuC3ituWCF/"

Yahoo! reportsthe coupletied the knot in 2008, and already havetwo other children: daughter Mackynzie, 3, and son Michael, 21 months.

Jim Bob and Michelle have 19 children, all of which have names that start with the letter'J,' and star in a reality TV show on TLC.