Kroy Biermann Adopts Kim Zolciak's Two Daughters, Brielle and Ariana It's official: Kroy Biermann is now the legal father of wife Kim Zolciak's two daughters from previous relationships. The Atlanta Falcons defensive end confirmed that he adopted Brielle, 16, and Ariana, 12, during an interview with E! News on Tuesday, July 23. "I don't know if I could love anybody else's children as much as Kroy loves the girls," Zolciak raved of her husband. "I just don't know if I have it in me."