Isn't that what custody battles are all about?
But maybe she is a deadbeat Mum?
Yes she should
Absolutely. Just like fathers are supposed to when the situation is reversed. They're her children, too.
Absolutely - if you have been awarded full custody, she needs to go out and pay for her child whilst you provide childcare and a safe environment.
Yes. The parent without custody should financially support their children .... dad OR mom.
Yes she should contribute to their support.
In my country ... yes!
Her second husband. If father wins primary custody she must be problematic, probably has no job.