TV The 'Sister Wives' Crew Expecting Child Number 17 By Raphael Chestang 3:34 PM PDT, April 10, 2011 Getty Images Robyn Brown, just one of Kody Brown's four wives featured on the TLC reality show "Sister Wives" is pregnant with the couple's first child, Peoplereports.Kody and Robyn were married while shooting the first season of the show last year. This will be the 17th child for the entire Brown family. This is Robyn's fourth baby, having had three children from a previous relationship."You should have seen the look on his face when we found out," Robyn told People. "It was priceless." Kody confirmed his excitement telling the magazine, "I'm overjoyed. This connects Robyn and I together in a way that nobody can take away."The new baby is due in October.Watch the clip to see Robyn discuss how her kids get along at Kody's family farm and you can watch "Sister Wives" Sunday on TLC.