Just like grandparents, you can request visitation with the children, just be sure to justify that they are or were a part of your life. A detailed consultation with a lawyer might be of use.
Above answer and comments to questions are for general purposes only and does not constitute legal advice or establishes an attorney-client relationship without a signed retainer. Please reach out to an attorney you are comfortable with working and discussing your case in more details.
Answered on Dec 19th, 2017 at 7:25 AM