TMZ.com: Kim Zolciak's Ex Kroy Accuses RHOA Star of Not Seeing Kids For Weeks - KIM ZOLCIAK'S EX KROY ACCUSES REALITY STAR OF MISSING TIME WITH KIDS Demands Sole Custody ... 'Real Housewives of Atlanta' star Kim Zolciak's estranged husband, Kroy Biermann, is demanding sole custody of their four minor kids ...