The twins are the third and fourth children for Zolciak, 35, and husband Kroy Biermann, joinging 2-year-old KJ and 17-month-old Kash. Zolciak has two daughters from a previous marriage, 16-year-old and 12-year-old Ariana, who Biermann also formally adopted. Kim Zolciak and Kroy Biermann show off their new twins.