I think you mean "adopted child" and the answer is, yes.
SSI are benefits to help to pay with the extra he needs due to his condition. It is not to support the child which is the parents job.
Child support is not affected by the receipt of SSI by either the custodial parent or the child.
If you mean RSDI, yes. If you mean SSI, no.
no
no
Yes, provided they are not getting SSI benefits off their parent's social security.
There will be no effect.
There will be no effect.
no
Yes.
No, SSI is subject to garnishment for child support obligations. All SS benefits and/or public assistance benefits can be garnished for child support obligations if the person who receives it is under a court order to financially support their child/children.
Absolutely. Each child is entitled to receive the benefits due to them. As long as you report your benefits truthfully where asked..