R.I. Gen. Laws § 15-10-7: Right of contribution from other children.

Any child making more than his or her share of a proper and reasonable contribution toward the support of his or her destitute parents shall have a right of contribution from other children over the age of eighteen (18) years of the parents, who have been supported by the parents, in a civil action subject to any orders and conditions that the court deems that the circumstances of the defendant or defendants may require.