Yes. The marital status of the custodial parent change does not change the obligation of the noncustodial parent.
what if the noncustodial parent still reside with the custodial parent, is noncustodial parent still obligated to pay childsupport
Child support needs to be decided on by the court. In most cases, the noncustodial parent is responsible for something. If the custodial parent makes considerably more than the noncustodial parent, monies many not even be exchanged. To resolve this issue, it is best to file papers at your court house.
Yes, until the court order is modified.
Not from SSI, only SSDI.
Yes. They are still the child's parent and responsible for supporting their child.