Sister Wives' Robyn Brown Pregnant
06/19/2015 AT 07:00 AM EDT
TLC's Sister Wives stars Kody Brown and his fourth wife, Robyn are expecting their second child together, the couple confirm to PEOPLE.
"We are so happy to announce an eagerly expected new member of the Brown family!" they tell PEOPLE.
The baby, due January 7 will be the 18th child for the polygamist family (Robyn has three children from a previous marriage), which includes Kody's three other wives and their kids.
Now, after surviving 15 previous pregnancies, Kody is practically a pro: "I try to always be kind and tender, but when a woman is expecting, you have to be ultra-sensitive," he says. "And always do the dishes."