Kim Zolciak: Kids Hear Kroys Intimate Moments

slammed her ex-husband  in a declaration in for allegedly being neglectful to their four minor children - and engaging in sexual acts with multiple partners within their earshot.

In legal documents filed Wednesday in Cobb County Superior Court in Georgia, the  alum, 48, says that her kids have alerted her to multiple instances where Biermann, 40, has been shirking his parenting duties.

Biermann's bachelorhood has come under scrutiny , as Zolciak said in legal docs reviewed by the Daily Mail that the children have been privy to his romances 'with multiple women in recent months.'

Zolciak told the court in her filing that the children will not see their father 'for hours on end, but hearing him engage in sexual acts with his girlfriend of the moment.'

The filing marks the latest chapter in their ongoing court case determining where their children - KJ, 15, Kash, 13, and twins Kaia and Kane, 12 - reside and whom they stay with. 

The Daily Mail has reached out to representatives for both parties for further comment on the story. 

Zolciak said in the court filing that she has been 'constantly contacted by every one of the children while' they are with their father because their basic needs aren't being met.  

She told the Daily Mail in a statement about the case, 'I refuse to be bullied or have lies twisted into a narrative about who I am. will not stay silent. Zolciak pictured on What What Happens Live