Can a grandparent on disability get child support for grandchildren she has legal custody of. The mother and father are in the process of getting a divorce and the mother and children live with me?

Yes, a grandparent with legal custody of their grandchildren can seek child support from the parents, even if the grandparent is on disability. The court typically considers the financial needs of the children and the ability of the parents to pay support. It's advisable to consult with a family law attorney to understand the specific legal process and requirements in your jurisdiction.